人教版（2019） 高中英语选择性必修第一册 Unit 5 Working the Land Section 2语法专题练习

What caused the serious traffic accident (remain) unknown.

It is a pity we won't be able to go camping this Sunday.

Whoever (pollute) the environment will be punished.

we shall be late is certain.

It is not sure he will come to your house or not.

The deadlines and you need to apply depend on the program.

you need is a great teacher who lets you make mistakes.

It's possible we all have compromised conversational intelligence.

is a fact that the earth is round.

parents say and do has a lifelong effect on their children.

她当选了使我们很高兴。

made us very happy.

是什么导致了这项事故还完全是个谜。

is a complete mystery.

我们在哪里开这个会都无所谓。

makes no difference we shall have the meeting.

他说的话使我气愤。

made me angry.

学校要求学生在学校必须穿校服。

It is required that the students school uniforms at school.

她说的是什么还不知道。

is not yet known.

他拒绝这个建议是愚蠢的。

is silly.

通过这项新技术，这些蔬菜甚至可以在没有任何土壤的情况下种植，这让我们所有人大吃一惊。

that these vegetables can even be planted without any soil through this new technology.

It must be true that sooner or later, everyone finds his or her way back to nature.

It's important that you let them know when you'll be available.

But in this experiment what they're doing is paying more attention to the big number than the little one.

What I want is not just an ordinary cafe but a very special one.

What's particularly interesting is the attitude various cities have toward Dubanchet's cause.

学了“A pioneer for all people”这篇课文后，你有何感想？谈谈你的收获，至少使用三个主语从句。