The look on his face showed that he had enough confidence in himself.
| A．surprised | B．puzzled | C．excited | D．determined |
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 domitories _____ 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 |
Almost every teenager will experience a period in their life _____ they aren’t content with their parents .
| A．when | B．where | C．that | D．which |