问题

_____ late for yesterday’sclass meeting, as it was so important.

A:couldn’t
B:shouldn’t be
C:mustn’t have been
D:oughtn’t to have been

正确答案是：

同类题型

How long —For two years.

He is not very confident and always _______before making a decision.

She _______ have left school, for her bike is still there.

Only when I left my parents for Italy __ how much I loved them.

m so tired I can’t walk any further —_____ , my dear You can make it