The person who is _______ of the factory _______ ill since last week.
| A．in charge; has been | B．in the charge; has fallen |
| C．taking charge; was | D．in charge; fell |
The theory he sticks to ______ to be of no use in our studies.
| A．proves | B．prove |
| C．proving | D．be proved |
The life he is now used _____ quite different from ours.
| A．is | B．to be |
| C．to being | D．to is |
He has changed a lot. He _______ not what he _______.
| A．is, is | B．was, was |
| C．is, was | D．was, is |
“When did he leave the classroom?” “He left _______ you turned back to write on the blackboard.”
| A．the time | B．the moment |
| C．until | D．since |
“Shall Mary come and play computer games?” “No, _______ she has finished her homework.”
| A．when | B．since |
| C．unless | D．as soon as |