The film _______ for twenty minutes when they got to the cinema．
| A．had already been on | B．has already been on |
| C．had already begun | D．has already begun |
The child _____ parents were killed in the air crash is now living with his aunt．
| A．whose | B．his | C．who | D．whom |
Only when ________ possible to settle the problem.
| A．does the chief editor come will it be | B．the chief editor comes will it be |
| C．has the chief editor come will it be | D．the chief editor comes it will be |
It was due to her elegant ______ and gentle temper that she has won the respect of her collegues.
| A．deeds | B．behaviors | C．actions | D．behavior |
I’m sorry, _____ I won’t be able to come tonight.
| A．for | B．and | C．but | D．then |