Few people paid full attention to their health conditions ________ they were seriously ill.
#31465
A
when
B
if
C
until
D
after
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He is so busy. He cannot afford enough time with his son ____he wants to.
#30950
A
even if
B
as if
C
because
D
before
When it comes to gossip(流言蜚语), learn to keep your mouth shut ________ you'll avoid trouble.
#30555
A
or
B
and
C
for
D
but
______the Internet is of great help, I don’t think it’s a food idea to spend too much time on it.
#31677
A
If
B
While
C
Because
D
As
(2013·济南一模)________ you are unable to deal with it, perhaps we should ask someone else for help.
#30428
A
Although
B
While
C
Since
D
Unless