It’s so noisy. I can’t _____.
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
-Would you mind ____ the window ? -Of course not.I feel hot,too.