Question

【题目】— does Rick go to bed?
—At 9 o'clock.
A.How
B.Why
C.What
D.When

Answer 1

【答案】D
【解析】根据答语 At 9 o'clock.可知是询问时间，用When 提问，故选D。句意是：— Rick 什么时候睡觉？—在9点钟。