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It sounds like something is wrong with the car’s engine. _____ , we’d  better take it to the garage immediately.
#31884
A
Otherwise
B
If not
C
But for that
D
If so
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______ he had worked hard all the time, he failed the exam again.
#31873
A
If
B
As
C
While
D
Because
.  Some people say more but do less ______ others do the opposite.
#33148
A
once
B
when
C
while
D
as
Mrs Chen is very strict — we don’t dare to say a word _____ she asks us to.
#31518
A
until
B
before
C
when
D
unless
How can you expect to get anything____ you never give?
#79745
A
in case
B
even if
C
unless
D
when
---Is that the small town you often refer to?---Right, just the one _______ you know I used to live for years.
#34822
A
that
B
which
C
where
D
what