book on the desk is useful one.
#34608
A
The; an
B
A; a
C
The; a
D
The; /
推荐题目
Before I talked with ______ scientist, I had never met______ clever person like him.
#34148
A
the; a
B
a; a
C
the; the
D
a; the
I seldom take _______bus to school. I always go to school by _______bike.
#33013
A
a；不填
B
不填；a
C
a；the
D
不填：the