1.We are always busy____the final examination.
3个回答

1.We are always busy____the final examination.

A with B on C before D for

2.She was surely not the first or the last____the airport that day.

A reached B reaching C had reached D to reach

A

第一题使be busy with sth的固定结构,解释为忙于做...

D

第二题是一道非谓语考题,也是一个固定结构

the+序数词+to do sth,固定用不定式的,不能用别的形式

对某人心存感激

be thankful to sb for sth

be grateful to sb for sth

有不会的可以再问我