—Sam. You are so wet! —It rained hard. And I forgot to bring       umbrella. 
#33133
A
a
B
an
C
the
D
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推荐题目
This is _____ best kind of _____ pen you can get here.
#32477
A
the, the
B
the, a
C
the, 不填
D
a, the
I have ____   English book and ____ ruler.
#34086
A
a, an
B
a, a
C
an, an
D
an , a