牛津版（深圳·广州）初中英语八年级下册Unit 7 The unknown world 语法专练：原因状语从句

The ship changed its course because there was a storm.

The ship changed its course .

Math is very difficult, so Gina doesn't like it. （改为同义句）

Gina like math it's very difficult.

He couldn't walk because his leg was broken.

He couldn't walk his leg.

I came back because it was raining heavily.

I came back the rain.

It was cold, so I closed the window and door. （合并为一句）

I closed the window and door it was cold.

她不开心是因为她上学迟到了。

 She was unhappy she was late school.

我不喜欢地理，因为它有点儿难。

I geography it's .

既然汽车坏了，就什么都做不了了。

the car broke down, nothing.

由于虚拟现实科技，人们不必亲临其境即可游览国内外名胜。

of VR technology, people can places of interest both at home and abroad instead of going there in person.

他们不能乘船过去，因为河流太急。

They can't go boat, because the river too .

Mary didn't go to school yesterday she was ill. （because/as/ since/because of）

everybody is here, let's begin our games. （because/as/ since/because of）

you are in poor health, you should go to bed earlier. （because/as/ since/because of）

She didn't come, she was busy. （because/as/ since/because of）

all the passengers are here, why don't we start at once? （because/as/ since/because of）

Bill won't make any progresshe doesn't study harder than before. （because/as/ since/because of）

I couldn't sleep the noise. （because/as/ since/because of）

Li Ming didn't go out for a walk the heavy rain. （because/as/ since/because of）

I was absent from the meeting my illness. （because/as/ since/because of）

—Why did you buy a scarf yesterday? （because/as/ since/because of）

— it was my mum's birthday yesterday and I bought it as a gift for her.

________ I'd like to join the Music Club ________ I can sing.

— Why isn't he hungry now?

— ________ he has had a lot of bread.

I can't tell whether she is old or young, ________ I have never seen her.

_______ you know it is harmful, you should stop reading in such a dark place.

They waited ________ it was dark before leaving, ________ they didn't want anyone to see them leave.

We should care more about our health ___________ good health is the first step towards success.

_________ it was raining, _________ we stayed at home.

________ you have come, let me show you around our school.

_______ you've got a chance, you might make full use of it.

—Why was he late, Tom?

—He was late ________ his clock didn't work, not ________ the bad weather.

—Why didn't he stop to have a rest?

—________ he had to complete his work on time.

My dream is ______ a football player ______ I like football best.

                 we know it's not safe to go outside now, we'd better stay at home as often as possible.

—Did you have a sports meeting yesterday?

—No, we didn't. It was put off            the heavy rain.

Tina woke up at midnight ________ a loud noise.

用 because, because of, as 或 since 完成对话。

Rob: Have any aliens ever visited the earth?

Nancy: I believe the aliens have visited the Earth some people have met aliens.

Jimmy: Why do you believe that?

we know, not all stories about aliens are true— many are hoaxes (骗局, 谣言).

Nancy: I do believe it is true the

evidence (证据）that people provide just like the UFO. Rob: Well, I believe aliens haven't visited the Earth. Nancy: What's your reason?

Rob: you want to know the reason, let me tell you the main reason for it. Some of the evidence of aliens is not real, just people like imagining things.

Jimmy: I agree with you.

They'll explore the forest to try and ________ more about these aliens.

They had some hair, ________ they didn't have any feather.

—I will go to the party alone ________ you don't want to.

—Have a good time.

—Did you have a sports meeting yesterday?

—No, we didn't. It was put off            the heavy rain.

I will call you as soon as I ______ the ticket to the football match.  

Don't discuss the problems with your partner unless you_______ any more.   

________ he was very ill, he still went on working.

________ it is getting dark, ______ the farmers are still working in the field.

________ of last month we had seen five English films.

Lucy knew nothing about it ________ her sister told her.

—Why didn't you email me to tell me about this, Jack?

—______ I was too sad at that time.

—______ do you buy so many film tickets?

— Because all the members of the Film Club are going to the cinema together.

He didn't go to work _______ it was raining ______.

______everyone is here, let's start our meeting.

_______ there was no seat to sit on on the bus yesterday, he had to stand all the way.

—Could you tell me ______ yesterday?

—Because my bike was broken on the way home.

Mr Green, our English teacher, is very knowledgeable _______ he reads lots of books.

______ her daughter hadn't come back, ______ she looked worried.

_______ you've got a chance, you might make full use of it.

His business got into trouble _______ competition from the large companies.

________ you have finished your homework, how about going shopping?

—We all like Amy _______ she is kind and helpful.

—Yes! Without her help, I can't improve my spoken English.

_______everybody understand the importance of it, I don't have to talk about it any more.

It rained last night, ______ the ground is wet this morning.

_______ his careless, Jim got low marks in this English exam.