题干

— Hi! John, would you like to play football with us?
— Oh,I can’t. I ___ my lesson all the morning and still need half an hour.

A:am reviewing

B:have been reviewing

C:have reviewed

D:reviewed

上一题 下一题 0.0难度 选择题 更新时间:2020-03-27 02:46:22

答案(点此获取答案解析)

B