问题补充:
When I called you this morning, nobody answered the phone. Where ?
A. did you go
B. have you gone
C. were you
D. had you been
答案:
A. did you go
B. have you gone
(答案→)C. were you
D. had you been
解析:
C。句子的前半句说上午打电话时没有人接电话,而后半句问对方当时在什么地方。显然,句子前后两部分的时间应一致,即用一般过去时。