问题

The public transport system in Beijing is very good now, so there _____be any difficulty in traveling around the city.

A:couldn’t
B:mustn’t
C:needn’t
D:shouldn’t

正确答案是：

同类题型

He is a serious man. Few people can make him .

The man ____ you are going to make friendsis my father’s neighbour.

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She can’thelp______ the house because she’s busy making a cake.