You must have waited here for a long time, __________?
#93616
A
mustn’t you
B
needn’t you
C
didn’t you
D
haven’t you
推荐题目
He is believed____________ in at his office on his way home.
#94976
A
dropping
B
to have dropped
C
having dropped
D
to be dropped
The more one is _______ the English-speaking environment, the better he or she will learn the language.
#92554
A
exposed to
B
filled in
C
caught on
D
kept up
______ Marx's works with Engels', and you'll find many differences．
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A
Comparing
B
Compare
C
To compare
D
If you compare
—Could you tell me_________?—He is in the library．
#93230
A
where Simon was
B
where is Simon
C
where was Simon
D
where Simon is