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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She worked hard ________ everything would be ready by the time he came back.
#80243
A
since
B
so that
C
as if
D
unless
I would appreciate it you call back this afternoon for the doctor’s appointment.
#31617
A
until
B
if
C
when
D
that
In some places in Yunnan, women are expected to run society and earn money ______ men work at home and raise their children.
#33079
A
but
B
while
C
because
D
though
Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner.
#31554
A
may; while
B
can; as
C
must; though
D
should; for