The telephone was invented in ________ nineteenth century by Bell.
#32056
A
a
B
an
C
the
D
/
推荐题目
Lisa had ______ egg and ______ glass of milk for breakfast this morning.
#34050
A
a;a
B
an; an
C
a;an
D
an;a
This is ________ one-eyed sick animal that needs ________ X-ray.
#34596
A
a; a
B
an; an
C
a; an
D
an; a
