问题补充:
---What’s wrong with you, Mr. Keller?
--- I’ve had a very bad headache for two days. At first, I I caught a cold, but the medicine .
A. thought, hasn’t worked
B. had thought, didn’t work
C. thought, hadn’t worked
D. have thought, hasn’t worked
答案:
A. thought, hasn’t worked
(答案→)B. had thought, didn’t work
C. thought, hadn’t worked
D. have thought, hasn’t worked
解析:本题考查时态。根据句意可知我原以为我得感冒了,故用过去完成时,药没起作用为过去的事实,故用一般过去时。句意:——Keller先生,你怎么啦?——我头疼两天了。起初,我原以为我患感冒了,但服药没有效。