用所给动词的适当形式填空。
[[QOrDeR]]You should look, then________(cross) the road.
【小题2】I can't ________(swim).
【小题3】Yesterday I jumped on the wall and I ________(bump) my head.
【小题4】Don't ________(talk) in the library.
【小题5】My mother always________(say),“You shouldn't eat in class.”