—What do you think made Mary so upset?
—_________her new bicycle.
| A．As she lost | B．Lost | C．Losing | D．Because of losing |
--Why are your group so happy?
--Our group _______ theirs in the oral English competition.
| A．has won | B．have gained | C．has beaten | D．have defeated |
______ to somebody, a British person often shakes hands with the stranger.
| A．Introducing | B．To introduce | C．To be introduced | D．On being introduced |
It was the hurricane ______ was called Katrina ______ destroyed the city of New Orleans.
| A．which; that | B．what; which | C．which; who | D．that; which |
____ the bike Smith had stolen ?
| A．Been | B．Did | C．Was | D．Had |
He looks very tired . He ____ to bed too late last night .
| A．must go | B．must have gone | C．could go | D．didn''t go |