Ihis is ______book I've told you about.  It's written by_____ university teacher.
#34159
A
the;an
B
a;an
C
the;a
D
a;the
推荐题目
This is _____ best kind of _____ pen you can get here.
#32477
A
the, the
B
the, a
C
the, 不填
D
a, the
I have ____   English book and ____ ruler.
#34086
A
a, an
B
a, a
C
an, an
D
an , a