Charles is believed_______ the floor yesterday; he is always helping others silently.
| A．to sweep | B．to have swept |
| C．having swept | D．Swept |
. I’m really hungry. Let’s eat at restaurant has a free table.
A. whichever B. whatever
B. which D. what
These surveys indicate that many crimes go by the police， mainly because not all victims report them.
| A．to be unrecorded | B．to have been unrecorded |
| C．unrecorded | D．unrecording |
—Did you go to Hainan Island for your vacation last month？
—I to go， but I got sick at the last minute.
| A．plan | B．am planning | C．have planned | D．had planned |
I’m glad to say that she’s already finished 50% of the book in these days.
| A．no less than | B．no more than | C．not more than | D．much less than |
Some women a good salary in a job instead of staying home， but they decided not to work for the sake of the family.
| A．must make | B．should have made |
| C．would make | D．could have made |