The girl, when _____ why she _____ in the exam, just lowered her head and kept silent．
| A．questioned; was cheated |
| B．being questioned; was cheating |
| C．questioned; had cheated |
| D．being questioned; has cheated |
On AIDS Day, the minister of Health Department demanded that the problems _____ paid special attention to.
| A．referred to being | B．referred to be | C．refer to being | D．refer to be |
Getting your students ________ in classroom activities is vitally important.
| A．trapped | B．devoted | C．stuck | D．involved |
Mr. Tiger insisted that he _______ the money back to his boss but his boss said that he didn’t receive it.
| A．should pay | B．had paid | C．pay | D．would pay |
_______ in the leg made it impossible for him to walk to school every day.
| A．Being injured | B．Injured | C．Having injured | D．Injuring |
We were stuck at the airport because of the heavy fog, otherwise we ________ here in time for the conference.
| A．arrived | B．had arrived |
| C．would arrive | D．would have arrived |