The moment we heard of the accident, we ____ the work to rescue those trapped in the mine.
| A．set off | B．set down | C．set back | D．set about |
The reason why he was removed was ______he was careless and dishonest.
A,when Bbecause C,thatD,what
_____she become an artist may have been due to her father”s influence.
A,what B,how C,that D,when
his homework, he went out to meet his friends.
| A．Having finished | B．finished | C．To be finished | D．To finish |
They were about to leaveit began to rain.
| A．before | B．durning | C．while | D．when |
Mr.Smith, of the speed,started to read a novel.
| A．tired, boring | B．tiring, bored | C．tired, bored | D．tiring,boring |