—Do you know why the teacher asks for me?
—He wants you to _____ your absence last night．
| A．account for | B．call for | C．send for | D．reach for |
The class teacher was anxious to hear one of his top students _____ because of family move.
| A．will leave | B．is leaving |
| C．was leaving | D．has left |
With the exam ______ in ten minutes, they were asked to hand in their mobile phones.
| A．taken place | B．taking place |
| C．having taken place | D．to take place |
More than one doctor _____ involved in the rescue that took place after the earthquake.
| A．was | B．is | C．were | D．are |
Some hard-working students always keep a torch in their dormitories _____ there is a power failure.
| A．if | B．unless | C．so that | D．in case |
_____ in charge of two classes made Mrs. Li, head of Senior Grade 3, extremely tired.
| A．Leaving | B．Left |
| C．Being left | D．Having left |