It was not until he came back _____ he knew the police were looking for him.
#34711
A
which
B
since
C
that
D
before
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The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
#80217
A
or
B
since
C
for
D
but
It is said that by 2010 there will be ______530 million tourists entering Tibet each year.
#31848
A
as many as
B
as much as
C
as more as
D
many than
The heavy rain is so troublesome. _________ it would stop!
#33874
A
Only if
B
Even if
C
Ever since
D
If only
I really wonder__________ he has posted me many parcels___________ we didn’t work together.
#79843
A
that; before
B
which; since
C
X; when
D
that; since