I don’t think ______ 18-year-old boy is serious enough to drive.
#32658
A
a
B
an
C
those
D
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推荐题目
There is ______ "f" and ______"u" in the word "four".
#33896
A
an, a
B
a, an
C
an, an
D
a ,a
This is ______ banana and that is _______ orange.
#32610
A
a; a
B
a; an
C
an; an
D
an; a
This is an             .  
#32963
A
bag
B
map
C
orange
D
Pen
It’s_________ interesting movie.
#34253
A
a
B
C
an
D
the