--Is this _______ pencil case? --No, it’s ______ eraser．
#34063
A
a; /
B
an; a
C
a; an
D
an; /
推荐题目
Mary can play ______ basketball. And Lucy can play _____ piano.
#33486
A
the, /
B
a, the
C
the, the
D
/ , the
Li Na plays __________ tennis very well. She has become __________ first Asian woman toreach a Grand Slam（大满贯）final.
#32226
A
a, the
B
/ , the
C
the, a
D
/ , a
English is ________ useful language so that most people speak it as ________ second language.
#33642
A
a; the
B
an; the
C
an; a
D
a; a