I don’t know . When he . I will phone you.
| A．when will be some back, comes back |
| B．when is he coming back, will come back |
| C．when he comes back, is coming back |
| D．when he is coming back, comes back |
The government the homeless people nice houses.
| A．provide, to | B．provides, with | C．offer, with | D．offer, for |
Everyone should make a contribution the environment.
| A．to protect | B．to protecting | C．protects | D．protected |
—will your parents return?
—They will return in a week.
| A．How often | B．How long | C．How much time | D．How soon |
This lesson is that one.
| A．as easier as | B．more easy than | C．not so easy as | D．easy than |