He is a foreigner. But now he on the right of the road in China.
| A．used to drive | B．is used to drive | C．used to driving | D．is used to driving |
On the chairs _________ , who had come to Dalian looking for jobs.
| A．three young men sat | B．sat three young men |
| C．did three young men sit | D．three young men sitting |
Not until about 2000 BC________________________done.
| A．were known of the oldest paintings | B．the oldest of known paintings were |
| C．the oldest known were painting | D．were the oldest known paintings |
——Did you know any French before you arrived in Washington?
——Never ____ it, actually.
| A．had I learned | B．have I learned |
| C．I have learned | D．I had learned |
Never before ___________in greater need of technical experts than it is today.
| A．has Shenyang been | B．Shenyang has been |
| C．was Shenyang | D．Shenyang was |
Only when _______ possible to settle the problem.
| A．does the editor come will it be | B．the editor comes will it be |
| C．has the editor come it will be | D．the editor comes it will be |