问题补充：
--- He didn’t come to school yesterday, didn’t he ?
--- .He was ill in bed.
A. Yes, he did
B. No, he didn’t
C. Yes, what a pity
D. No, I think
答案：
A. Yes, he did
(答案→)B. No, he didn’t
C. Yes, what a pity
D. No, I think
解析： 考查情景交际。“他昨天没来上学，是吗？”“他卧病在床。”根据答语可知，他没上学。一个用he didn’t，保持一致，用No。故选B。
