-My mother is ill in hospital.
——_______.
A:That’s OK B: All right C:Thank you D:I’m sorry to hear that.
We can use QQ to talk with each other online.
--Good! Will you please show me ______it?
A:what to use B:how to use C:when to use D:where to use
My mother often spends 2 hours ______ housework every day.
A.do B.does C.doing D.to do
— Must I come at four o’clock?
— Oh, no, you ____.
A. don’t B. mustn’t C. don’t have to D. can’t
It’s too cold .You had better ______your coat.
A:don’t take off B:not take off C:don’t put on D:not put on
-Would you mind ____ the window ?
-Of course not.I feel hot,too.
A.not open B.not opening.C. opening D.to open