When astronauts return to the earth’s atmosphere, helicopters fly to________they would land, ready to collect them.
#34720
A
what
B
where
C
which
D
that
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These changes may cost quite a lot, _____ they will save us money in the long run.
#31665
A
so
B
and
C
for
D
but
— Where is my English book?— I brought it to you _____you were in hospital yesterday afternoon.
#80227
A
since
B
if
C
once
D
while
26. Parents always tell us not to stay ________ there is danger.
#79644
A
in which
B
the place where
C
at the place
D
Where