“An awful accident however occur the other day.” The old man repeated trembling all o

问题补充：

“An awful accident , however, occur the other day.” The old man repeated, trembling all over.

A. does

B. did

C. had

D. has to

答案：

A. does

(答案→)B. did

C. had

D. has to

解析：句意：“然而，第二天确实发生了一起可怕的事故。”老人重复着说，全身颤抖。在这里do放在谓语前表强调。由于老人是在将以前的事，所以用过去式did。所以选B。