1. (2021·婺城模拟) 用方框中所给词语的适当形式填空。每词限用一次。

laugh     peaceful     nine    across       so that

1. （1） Millions of trees are like a green great wall the northern part China.
3. （2） I sit in the front of the classroom l can hear clearly.
5. （3） Everyone couldn't help because of Tom's joke.
7. （4） Leoh Ming Pei, a world-famous architect, passed away in New York in 2019.
9. （5） Betty celebrated her birthday yesterday evening.