______ you _____ free next Sunday?
-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.
— Must I come at four o’clock? — Oh, no, you ____.
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