It’s essential for citizens to know that the haze(雾霾.can do harm ________ people’s health.
#47125
A
with
B
for
C
on
D
to
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We didn't know the good news _________he told us.
#49767
A
after
B
or
C
because
D
until
_______does Sandy usually do __________ Thanksgiving Day?
#46865
A
What; at the
B
How; on the
C
What; on
D
How; at