问题

It was really tiring for me to stand in the queue for two hours to get the G- train ticket.—You ____. You could have got one online.

A:needn’t
B:needn’t have
C:didn’t need toDdidn’t need to have
D:didn’t need to have

正确答案是：

同类题型

The success of this project______everyone making an effort．

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