It was not until dark ______ he found ______ he thought was the correct way to solve the problem.
#30758
A
that; what
B
that; that
C
when; what
D
when; that
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Can you imagine what a girl will look like___________ she comes across a rat in her room?
#80318
A
now that
B
though
C
in case
D
if
22．Lawrence Craven, a doctor from the USA，is the author of several published reports, one of______ introduced the idea in 1953 ______aspirin could reduce the risk of heart attacks．
#79598
A
them; when
B
which; that
C
what; that
D
which; when
(2009·陕西)Gun control is a subject ________ Americans have argued for a long time.
#30490
A
of which
B
with which
C
about which
D
into which