— Mr. Smith joined in different activities in Beijing. Do you know ___________?
— Since 5 years ago.
| A．when he went there | B．how long he has stayed there |
| C．how soon he will come back | D．when he will come here |
-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