Although many people view conflict as bad, conflict is sometimes useful _______ it forces people to test the relative merits of their attitudes and behaviors.
| A．by which | B．to which | C．in that | D．so that |
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 |
— Who is ____ the TV show? She seems to be talented.
— Mary Green, who used to be a great actress.
| A．opening | B．hosting | C．playing | D．seeing |