--- _______ will the fog and haze(雾霾) last? ---I have no idea. There is no sign of an end.
| A．How long | B．How soon |
| C．How far | D．How often |
—I want to know if I _______________smoke here.
—No, you ______________. Could you see the sign “ No Smoking” there?
| A．can; needn’t | B．must; can’t |
| C．shall; won’t | D．can; mustn’t |
—It’s said that the famous scientist will give us _________advice on maths study.
—__________good news! I’m not good at it.
| A．some; What | B．an; What | C．a; How a | D．any; How |
We felt ______ impossible to finish the work without help.
| A．it | B．that | C．this | D．them |
A: Could you tell me ____________ to the post office, please?
B: Yes. It’s down Bridge Street on your fight.
| A．how I got | B．how I can get |
| C．how can I get | D．how did I get |
A: _________________?
B: Yes, I’d like the new dress. Please show me the green one?
| A．What’s the matter | B．How are you |
| C．What’s the date | D．Can I help you |