It was after he got what he had wanted ________he realized it was not so important .
#85077
A
that
B
when
C
since
D
as
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___ he will leave for Beijng.
#85505
A
It will not be long before
B
It is before long that
C
It is before long
D
It was before long that
Was it ________ the conference of APEC that made Shanghai the focus of the world then?
#85498
A
holding
B
to hold
C
held
D
having held
It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.
#84771
A
which, that
B
that, where
C
where, that
D
which, where
When I try to understand ____ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
#85001
A
why does it
B
what does it
C
what it is
D
why it is