Question

【题目】

-Would you like to help me clean the lab at 4 o'clock this afternoon?

-I would like to, but I __________ listening practice then.

A. will do

B. have been doing

C. am doing

D. will be doing

Answer 1

【答案】D

【解析】句意:——令天下午4点你愿意帮我打扫实验室吗？——我愿意，但那时我将正在做听力练习。at 4o'clock this afternoon = then为将来时刻，用将来进行时。