To order tickets for the 2016 Riode Janeiro Olympic Games, just call 00982012. It _______ be simpler.
| A．must | B．could | C．mustn’t | D．couldn’t |
I didn’t hear the phone．I ______ asleep．
| A．can be | B．must have been | C．must be | D．should have been |
This book _____ the life of the students is popular with the teenagers．
| A．which based on | B．based on |
| C．basing on | D．being based on |
—Shall we go and see a movie this Sunday?
—_______．
| A．Don’t flatter yourself | B．I don’t agree |
| C．Why do you think so? | D．That’s an excellent idea． |
The town came into ______ as we turned the corner．
| A．being | B．use | C．fashion | D．sight |
We must take measures to protect the environment from ______．
| A．polluting | B．being polluted | C．polluted | D．pollute |