19. They________a lot of suggestions for improving the workers’ living conditions.
A.put out | B.put forward | C.put on | D.put in |
We are all____ of the poem “Children, quickly, hold mother’s hands” and moved by it.
A.tired | B.afraid | C.fond | D.confident |
Scientists say it may be five or six years_______it is possible to test this medicine on human patients.
A.when | B.after | C.before | D.since |
You have to ____smoking. It isn’t good for your health.
A.give up | B.give off | C.give in | D.give away |
---Must he remember everything he has learned in the class?
---No, he _____.
A.can’t | B.may not | C.mustn’t | D.needn’t |
---“Don’t read in bed.”
--- What did he said?
---He told us _____read in bed.
A.not to | B.not | C.don’t | D.didn’t |