English is _________ international language. 
#34454
A
a
B
an
C
/
D
the
推荐题目
Peter has ______ cough and he has to get ______ X-ray.
#32072
A
an; a
B
a; a
C
a; an
D
an; an
Lily is _____ girl .
#33240
A
a 8-years-old
B
an 8-years-old
C
an 8-year-old
D
a 8-year-old