Great efforts to increase agricultural production must be made if food shortage _____ avoided.
| A．is to be | B．can be | C．has been | D．will be |
We don’t doubt _____ he will succeed in the research work.
| A．that | B．whether | C．how | D．what |
We couldn’t trust her for she is always____. Look, she___ some eggs on the table and said these newly- ____ eggs were her own. In fact they were her neighbor’s.
| A．lying; lay; laid | B．laying; lied; lain | C．lying; laid; laid | D．laying; lay; lain |
What he said just now_______me of that American professor.
| A．mentioned | B．informed | C．reminded | D．memorized |
When we were young, every evening my brother and I____ stay at home waiting for our mother.
| A．would | B．might | C．should | D．could |
We arranged to meet at 8:00, but she never ______.
| A．turned down | B．turned off | C．turned over | D．turned up |