问题

Shall I help clean the kitchen, Mum?—Thank you.But you ________ it because I can do it myself.

A:mustn't have done
B:wouldn't have done
C:mightn't have done
D:haven't got to do

正确答案是：

同类题型

It’s said that few people _________ to the life without mobile phones. They are addicted to (对……上瘾) mobiles.

，the wind died down and people began to appear on the street

下列句子中加点字词类用法相同的一项是（）

Aren’t you tired of practising playing the piano day after day?— ________, I enjoy every minute of it[ ]

___________, and you’ll know which one is good.