—Dad, please tell me when Mum_____. I miss her very much.
—She will return when she_____ her task. And she will bring a nice present for you.
| A．returns; finishes | B．returns; will finish |
| C．will return; finishes | D．will return; will finish |
．—Has your father finished his report?
—Sorry，I don’t know．He ________ it this morning．
| A．was writing | B．wrote | C．has written | D．had written |
—Could you please come to the museum with me this afternoon?
—Sorry，I ________．I have to take a piano lesson at 2 pm．
| A．couldn’t | B．mustn’t | C．can’t | D．needn’t |
—May I listen to the music here，Mr.White?
—Sorry，you’d better ________ it like that．
| A．not to do | B．not do | C．don’t do | D．not do to |
Usually John ________ to school in his father’s beautiful car．
| A．has taken | B．is taking | C．is taken | D．has been taken |
—Are you going to help John with his Chinese this evening?
—No，He ________ to England．He will be back next month．
| A．returned | B．has returned | C．returns | D．will return |