(2010·北京，27)Children who are not active or ________ diet is high in fat will gain weight quickly.
#30485
A
what
B
whose
C
which
D
that
推荐题目
. What the doctors really doubt is ______ my mother will recover from the serious disease soon.
#34555
A
when
B
how
C
whether
D
why
_____ we choose healthy food for our main meals, we probably still need to exercise now and then.
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A
Unless
B
As though
C
Until
D
Even if
As long as I can remember, _______ I called, my son would answer.
#31892
A
before
B
any time
C
until
D
while
Help others whenever you can _______ you will make the world a nicer place to live in.
#79807
A
and
B
or
C
unless
D
but