问题
选择题
Your sister has ________ bad cold, and you must give her some medicine ________ this afternoon. [ ]
A. an; /
B. a; /
C. /; the
答案
答案:B
Your sister has ________ bad cold, and you must give her some medicine ________ this afternoon. [ ]
A. an; /
B. a; /
C. /; the
答案:B