—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
—______ my students have a try?
| A．May | B．Must | C．Will | D．Shall |
This passage has too many long sentences. I’m afraid they will be hard for most of the students. Could you help to _______ them?
| A．simplify | B．take | C．destroy | D．mix |
The police are to ______ the traffic accident that we don’t know _____.
| A．dealing with; how to deal with | B．deal with; how to deal with |
| C．deal with; how to do with | D．do with; what to deal with |
— The floor is dirty.
— Yes. It _______ for two days.
| A．hasn’t swept | B．didn’t sweep | C．hasn’t cleaned | D．hasn’t been cleaned |
My sister_____ Tony for ten years next year.
| A．has been married to | B．has married to |
| C．will be married to | D．will marry to |
Do you know a concert _____ in our hometown next month?
| A．will be held | B．is going to be held | C．is to be held | D．all A, B, C |