________ 200BC, the Silk Road, which was the route for trade between the East and the West, was in use.
| A．As early as | B．As far as | C．As long as | D．As well as |
Only when _______ home_____ that he had left his bag in the taxi he had taken.
| A．he returned; did he realize | B．did he return; did he realize |
| C．he returned; he realized | D．did he return; he realized |
The camera was _____ by his son and he had to have it repaired.
| A．ruined | B．destroyed | C．injured | D．damaged |
_____ that he isn’t adequate to the present job, he devotes all his spare time to studying professional knowledge.
| A．Concern | B．To concern | C．Concerned | D．Concerning |
--- Has your brother returned from the USA yet?
---- Yes, but he ____ here for only two days before his company sent him to Australia.
| A．stayed | B．has stayed | C．will stay | D．was staying |
Several Chinese films are rising to international fame, _____, Brokeback Mountain directed by Ang Lee has won the Oscar Awards.
| A．such as | B．for example | C．namely | D．that is |