4 enough attention should （pay） to the safety of school buses I （have）a shower and didn,t .
问题描述：
4 enough attention should （pay） to the safety of school buses I （have）a shower and didn,t .
1 Why didn,t you answer my phone call yesterday evening?
I （have）a shower and didn,t hear the call
2 Student are not allowed (come) in
3 Would you please (not walk) in class,Lucy?
答
1 was having
2 to come
3 not walk
4 be paid