The World Health Organization has given some advice on        to protect us from being infected(感染) with H7N9.
#45384
A
how
B
what
C
where
D
when
推荐题目
I don’t think swimming is ______as hiking.
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A
more interesting
B
so interesting
C
much interesting
D
interesting
The cakes smell    bad, but taste          .
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A
terrible well
B
terribly well
C
terribly good
D
terrible good
—Jim is the fattest boy in his class. —Yes.No one is________him. 
#44853
A
fat than
B
as fatter as
C
much fatter than
D
so fat