— Cindy, would you mind if I open the box?
— ________? I don't quite follow you.
A.Why not B.Pardon C.Really D.Guess what
Do you know ________ yesterday? I want to know the reason.
A.why did he leave B.how he left C.why he left D.how did he leave
There ________ great changes in China in the past twenty years. All of us are proud of it.
A.have been B.has been C.was D.were
— How soon shall we leave the airport?—We won't leave ________ we make sure that everything is OK.
A.because
B.until
C.as soon as
D.if
—Most teenagers ________ the heroes and usually follow them to behave.
—I think they should hold a right opinion. To be oneself is also important.
A.look forward to B.look up to
C.communicate with D.get on well with
—Why are you so sleepy?
—We ________ to finish the work on time, so we went to bed too late.
A.asked B.were asked C.was asked D.had been asked
