问题补充:
—I knocked into a tree when I went to the bus stop for my friend.
—I suppose you too fast.
A. had driven
B. are driving
C. drove
D. were driving
答案:
A. had driven
B. are driving
C. drove
(答案→)D. were driving
解析:句意:当我去公交车站接我的朋友时,我撞到了一棵树上。——我猜你当时开得太快了。结合语境可知下文从句中强调的是过去某时正在进行的动作,故用过去进行时态。选D。