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
After school, they usually play _____ football for an hour on _____ playground.
#32412
A
the ; the
B
/ ; /
C
/ ; the
D
the ; /
This is _______ book I bought yesterday. Isn’t it ________ interesting one?
#32046
A
the; the
B
a; an
C
a; the
D
the; an
Black broke his leg. He has just had _____X-ray examination .______ doctor said he needed ______ operation.
#33305
A
a, The, an
B
a, A, an
C
an, A, an
D
an, The, an
