—Shall I help clean the kitchen, Mum? —T
题型：选择题
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
—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