1. 选词填空

pick up,  in the face of,  after all,  react to,  look through

1. （1） He  some English when traveling in America.
3. （2） We should have a broad heart  life.
5. （3） We wondered how he  the news.
7. （4） The students were  a microscope at plant cells.
9. （5） They are my friends, .