17．—Is there any better way to help my son get rid of the habit of playing computer games?
—To tell you the truth, it’s very hard. But we_______on this problem to improve the situation.
| A．were working | B．had worked | C．are working | D．had been working |
—Ring me at six tomorrow morning, will you?
—Why that early? I ______.
| A．will be sleeping | B．will sleep | C．have slept | D．have been sleeping |
Steven’s exam results put him ______ the top ten students in his grade.
| A．at | B．between | C．in | D．among |
I think exercise is the ideal way to relieve ______ after a hard day.
| A．version | B．tension | C．tense | D．starvation |
—Mike, I really appreciate your handwriting．
—.
| A．I practice every day | B．Thank you very much |
| C．No, I don’t mink so | D．Well, it’s not good enough |
The traffic rule says young children under the age of four and ___ less than 40 pounds must be in a child safety seat．
| A．weighing | B．weighed | C．being weighed | D．to weigh |