All flights ___________ because of fog. I’m afraid you will have to stay here for another day.
| A．had been put off | B．called off |
| C．have been called off | D．have put off |
Let’s ________ the radio and see what’s wrong with it.
| A．take apart | B．take off | C．take down | D．take up |
Cold ______ the night air was, he slept soundly because he was so tired after working for a whole day.
| A．although | B．while | C．however | D．as |
The price of the goods in this shop is too high. I can buy only half the goods I bought in that shop and I’m paying ________.
| A．as three times much | B．as much three times |
| C．much as three times | D．three times as much |
The money he has contributed in the past years to ______ the disabled is now considered to be of great value.
| A．help | B．helping, | C．having helped | D．being helped |
--- I used to drink a lot of tea every day. By the way, do you like tea?
--- Yes, I ______.
| A．would like | B．did | C．do | D．will |