问题补充:
I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother on the phone all the time!
A. was talking
B. has been talking
C. has talked
D. talked
答案:
(答案→)A. was talking
B. has been talking
C. has talked
D. talked
解析:
A。I called…和I couldn’t get through…用的都是一般过去时,而talk on the phone这一动作正是发生在I couldn’t get through…期间,故要用过去进行时。