The boys have played tennis for over hour.
#34448
A
不填; an
B
the; an
C
不填; a
D
不填; the
推荐题目
This morning I have _______ art lesson. Art is _______ useful subject.
#33421
A
a; a
B
an; an
C
a; an
D
an; a
—You look pale. What’s _______ with you? —I have _______ headache.
#32701
A
the wrong; a
B
wrong; the
C
matter; the
D
the matter; a
--- What do you think of ____________ 8th China Flower Expo in our city?--- It was ____________ big success, I think.
#32328
A
/; a
B
the; /
C
the; a
D
an; /