—Everyone in my class passed the exam.
—Oh, really？It________difficult.
| A．must be | B．needn’t have been |
| C．can’t have been | D．mightn’t be |
You say he works hard; so he does,and_______.
| A．so are you |
| B．so do you |
| C．so did you |
| D．you do so |
I will never know what was on his mind at the time,and nor will_______．
| A．anyone |
| B．anyone else |
| C．no one |
| D．no one else |
His parents do not allow him to play games online.
However, he does that_______.
| A．in peace |
| B．in surprise |
| C．in general |
| D．in secret |
Don't _______ any longer. Anyone makes mistakes.
| A．ashame yourself |
| B．feel ashamed of you |
| C．feel shamed of yourself |
| D．be ashamed of yourself |
I'm considering _______ a Bluebird, for these days the prices of cars are going down.
| A．to buy |
| B．buying |
| C．to sell |
| D．selling |