Some people won’t realize the importance of their health _____they have lost it.
#56772
A
after
B
when
C
until
D
as
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What a pity! I have only one ruler in my pencil case. ______ you ______ he can borrow it.
#55424
A
Neither; nor
B
Both; and
C
Either; or
D
Not only; but also
David didn’t give up ______ he had failed in the experiment four times.
#58224
A
if
B
while
C
though
D
since
Don't worry! I'll send you an e-mail_______.
#56146
A
as soon as possible
B
as soon as possibly
C
as soon as can
D
as quick as possible
You can’t believe how terrible the fire is __________ you see it with your own eyes.
#55268
A
though
B
because
C
unless
D
since