—What is the population of China?
—China has ____population of l．3 billion．
A．the；the B．a；a C．a；the D the；a
---Are you still going to Shanghai for the Spring Festival?
---Yes, but I really because I have a lot of things to deal with.
| A．can’t | B．mustn’t | C．won’t | D．shouldn’t |
---Look! The clouds are gathering.
---Yes. I’m afraid it be pouring down soon.
| A．can | B．must | C．should | D．might |
The poor boy the test again; in that case, his mother will be very disappointed.
| A．must have failed | B．might fail | C．could have failed | D．should fail |
I have written to him because he phoned me shortly afterwards.
| A．ought to | B．must | C．couldn’t | D．needn’t |
From what I learn about their hotel, the service and the weather, they their holiday very much.
| A．couldn’t have enjoyed | B．shouldn’t have enjoyed |
| C．needn’t have enjoyed | D．can’t have enjoyed |