Question

---Tom almost ran into a pole yesterday while driving on the highway.

--- I suppose he ____ too fast.

1. A.
   had driven
2. B.
   was driving
3. C.
   must drive
4. D.
   should have driven

Answer 1

B
考查时态。根据上下文的意思可知是指在过去的那个时候的速度太快，所以使用过去进行时。