问题
选择题
This is _____ African camel. That is _____ European wolf.[ ]
A. a; a
B. an; an
C. a; an
D. an; a
答案
答案:D
This is _____ African camel. That is _____ European wolf.[ ]
A. a; a
B. an; an
C. a; an
D. an; a
答案:D