问题

My sister met him at the street yesterday afternoon, so he __________ your lecture.

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

正确答案是：

同类题型

It is our ________ to look afterour parents when they get old.

Short hair is back ________ this year.The female workers in my office all had their long hair cut.[ ]

下列句子与“蚓无爪牙之利”的句式相同的一项（）

You must keep it _______ in mind that education is the first productivity

Sir, this T-shirt is a bit small. Can you show me one–Sorry, this is the biggest one in our shop. Why not go to the shop on side of the street You may find one which fits you.