The city ______ by an army of 600 men was difficult to take.
| A．defending |
| B．having been defended |
| C．having defended |
| D．defended |
---Whom would you rather ______ to Hainan for the holiday, Bob or Jack?
---- Maybe Bob.
| A．have to go | B．have go | C．have gone | D．had gone |
Two thousand dollars a month is not a fortune but will help cover my living _______.
| A．fees | B．expenses | C．fares | D．charges |
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 |