—Does Mary have P. E. Friday?
—No, she doesn’t. She has P. E. the afternoon of Monday and Thursday.
- A.on; in
- B.on; on
- C.in; on
- D.on; at
答案
正确答案:B
知识点:介词

在周五为“on Friday”;在具体某一天的上下午也要用介词on。故选B。

略
