问题

The computer cost him 20, 000 dollars. —It ____ be that expensive.It’s a used computer.

A:may not
B:can’t
C:mustn’t
D:needn’t

正确答案是：

同类题型

Poor preparations and shortage of equipment ______ their failure of climbing to the top of the mountain. [ ]

want to lead a happy life, you’d better learnto accept life_____it iS

The reason why he succeeded is ______ he worked very hard

How about the trip to Shanghai, Kitty?—Everything was fantastic if our car didnot _______ for some times on the way.

Where is Frank?— He is __________ his planting done in the garden before the rain comes. [ ]