人教版八年级下册Unit 2 Section A 基础练习

My younger sister looks very sad. Let's go and her up.

David is new here and he has few friends, so he sometimes feels .

My (旅行) in Hainan was wonderful. I will go there again next time.

She looked at her son's picture with great (满意).

Our books and toys brought great (高兴) to the sick children in the hospital.

________ our country gets, ________ the people will be.

It's ________. And you will succeed if you ________.

Pollution is a serious problem. Scientists have ________ some good ways to solve it.

Zhou Hai _____ several hours each week to be a volunteer in the Children's Hospital.

Tomorrow I will stay at home _____ my parents clean up the house.

根据句意，从方框中选择恰当的短语填空，有的需要变换形式

give out，put off, used to，care for, call up