Question

---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 ______

1. A.
   thought, hasn’t worked
2. B.
   had thought, didn’t work
3. C.
   thought, hadn’t worked
4. D.
   have thought, hasn’t worked

Answer 1

B
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。