This is key and that is eraser.
#34020
A
a, a
B
a, an
C
an, a
D
the, an
推荐题目
-- I enjoyed the performance very much. -- Yes, it was really good. I think ________ boy in white was the best actor.
#32590
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a
B
an
C
the
D
/
－How long does it take us to go to your school from here?－It takes us hour or more to go to my school by bus.
#33282
A
an; a
B
a, an
C
an, /
D
a, /
The shopkeeper gives every visitor _________ up-to-date magazine to introduce their new goods.
#32882
A
a
B
an
C
the
D
/