问题补充:
-----I called you last night, but there was no answer.
------I’m sorry, I dinner with my friends outside.
A. have
B. had
C. was having
D. have had
答案:
A. have
B. had
(答案→)C. was having
D. have had
解析:句意:我昨晚给你打电话,但没人接。对不起,我和朋友在外面吃饭了。根据题意可知,吃饭是在打电话的时候,故用过去进行时。所以本题选C。