He will _____ our class to sing at the school singing contest.
| A．take place of | B．stand for | C．represent | D．representative of |
Helen ____ her keys in the office so she had to wait until her husband ___ home.
| A．has leftl comes | B．left; had come | C．had left; came | D．had left; would come |
After living in Paris for fifty years he returned to the small town __ he grew up as a child.
A. which B. where C. that D, when
We decided not to climb the mountain because it was raining ___.
| A．badly | B．hardly | C．strongly | D．heavily |
The number of people invited ___ fifty, but a number of them ___ absent for different reasons.
| A．were, was | B．was; was | C．was; were | D．were; were |
Many people agree that ___ knowledge of English is a must in ___ internationsl trade today.
| A．a;/ | B．the;an | C．the; the | D．/; the |