.—Can he take charge of the computer company? —I’m afraid it is _________ his ability.
In order to reduce air pollution, many people want a total _____on the playing of firecrackers (鞭炮)in many cities during the Spring Festival.
The thought of going back home was _______ kept him happy while he was working abroad.
Although medical science __________ control over several diseases,what worries us is that some of them are returning.
---What happened to the house ? ---It _____burnt to the ground.A is said to having been B. is supposed to have beenC is reported to have been D. is believed to have
---You must obey every word of mine! ---_______ I don’t?