—I haven’t finished my essay because the computer broke down when I was downloading the required data last night.
—Really! You could have turned to me. I mine.
A.didn’t use | B.won’t use | C.hadn’t used | D.wasn’t using |
______is estimated that a round-trip to Mars would take more than a year.
A,That B,what C,There D,It
______leaves the room last ought to turn off the lights.
A,The person B,whoever C,Who D,Anyone
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 |