1. (2020九下·青山月考) 仔细阅读下面五个句子，然后用下面方框中所给的单词或短语填空，使每个句子在结构、句义和逻辑上正确。（提示：选项中有一个是多余的。）

known for/    known as/    separate/    attend/    pulled down/    stuck

1. （1） Many people areat home because of the novel corona-virus.
3. （2） Wuhan is the Yellow Crane Tower.
5. （3） It is hard to from your friends.
7. （4） The president will the meeting though he isn't feeling well.
9. （5） The windows and doors come from old buildings that were .