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
 It’s reported that the rainy days make me sad.
#44248
A
blue
B
black
C
white
D
gray
The writer lives _______, but he doesn’t feel _______.
#46458
A
alone; alone
B
alone; lonely
C
lonely; lonely
D
lonely; alone
—Is there _______ chicken in the hamburgers?— No, there isn’t _______.
#45420
A
some; any
B
some; some
C
any; any
D
any; some