—Do you think if Tom _______ the work well?
—I think he will if he ______ his best.
| A．does， will try | B．will do ，tries |
| C．does ，tries | D．will do ，will try |
There are________people leaving the countryside to search________work in the city．
| A．million of；for |
| B．millions of；for |
| C．millions of；of |
| D．million of；of |
—Where is your English teacher？I’m looking for him everywhere．
—He________for some information on the Internet in the computer room．
| A．will search |
| B．has searched |
| C．searched |
| D．is searching |
They________in the city since last summer．
| A．live |
| B．didn’t live |
| C．have lived |
| D．live |
I________at this school for two years already．
| A．am studying |
| B．study |
| C．studied |
| D．have studied |
Those foreign friends left Guangzhou________．
| A．since last week |
| B．a week ago |
| C．for a week |
| D．since a week ago |