Question

You _____ all those clothes! We have a washing machine to do that sort of thing.                                                      

A．wouldn’t have washed	B．mustn’t have washed
C．needn’t have washed	D．can not have washed

Answer 1

C

考查情态动词。needn’t have done本没有必要做。句意：你本没有必要洗那么多衣服！我们有洗衣机来做那种事情。