My sister______ the League last month and she has decided to ______ the activity to help the aged next week.
| A．joined; join in | B．took part in; join | C．joined; attend | D．joined in; join in |
Hit by a hammer, my foot became ______.
| A．three times bigger than |
| B．as big as three times |
| C．the normal size three times |
| D．three times the normal size |
--- What else do you want to know about the cell phone?
--- _______ it can be used as a digital camera. You know, I’m into photography.
| A．Whether | B．What | C．That | D．How |
The old man stood there with his eyes ______ on the picture.
| A．to focus | B．focusing | C．focused | D．focus |
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
| A．of; at | B．by; in | C．of; on | D．on; at |
---I’m going out tonight.
---Well, I’d rather you ______.
| A．not | B．aren’t | C．didn’t | D．won’t |