The scientist has made quite a few discoveries, ______ of great importance to the whole world.
#95024
A
which I think they are
B
which I think are
C
I think which are
D
that I think they are
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How very delightful ___ to suggest this!
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A
it is you
B
it was for you
C
it is of you
D
it was you
 The young man spent as much time as he ______ over his lessons.
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A
went
B
can go
C
could going
D
could to go
You must have waited here for a long time, __________?
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A
mustn’t you
B
needn’t you
C
didn’t you
D
haven’t you
.Young________, he already knows what career he wants to follow.
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A
though is he
B
though he is
C
he is though
D
is he though
______ a pair of compasses, it is easy to describe a circle.
#93189
A
Having
B
To have had
C
If you have
D
If having