问题

It _____ have been Tom that parked the car here, as he is the only one with a car. [ ]

A: may
B: can
C: must
D: should

正确答案是：

同类题型

I wonder if your father _______ you to go swimming.—-I’m not sure. But I will tell you if he _______ to let me join you.

My brother came back home while I homework.

______ people were found ______ after that earthquake.

下列各句中，加横线成语运用正确的一项是（）

It is generally believed that teaching is _____ it is a science[ ]