With some technical problems to be solved, it may be a while _______ the system is put into use.
#32713
A
when
B
after
C
since
D
before
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Our attitude towards life is________makes the difference between our being happy or not.
#31045
A
that
B
whether
C
what
D
which
——Haveyou got the results of the final exam?——Not yet. I’m afraid it will be a few days we know the final results.
#33363
A
before
B
after
C
until
D
when
The movie Life of Pi is so attractive that it holds the audience's curiosity ________ the story reaches the end.
#30279
A
until
B
before
C
after
D
when
Jack was halfway back to the village where his mother lived _____ Mary caught up with him.
#31859
A
when
B
while
C
until
D
though