问题

Be polite . You _____ talk to the old like that! —Sorry , I won’t .

A: needn’t
B: wouldn’t
C:mustn’t
D: couldn’t

正确答案是：

同类题型

I play sports _________ two hours every day.

do you call your parents — Five minutes each time.

The CDS _________ out just now. They __________ very well.

I saw your uncle take a taxi to the airportWhy didn’t you drive him there ? — I ___But my car ____

Look! A man is __________a photo _______snowman.