It is _______ unusual thing for us to find ________ UFO.
#33317
A
a; a
B
an; an
C
a; an
D
an; a
推荐题目
------Who is the guy with a pair of sunglasses?----He is ______ university student from _______ Island in England.
#34225
A
an; an
B
an; a
C
a; an
D
a; a
—_________ expensive mobile phone it is!—Yes, but I think _________ style is quite fashionable,
#34361
A
What a; a
B
How; the
C
What an; the
D
How an; the
