问题补充:
--Did Mary come to your birthday party?
--No. I her, but she was away on business.
A. would like to invite
B. would have liked to invite
C. must have invited
D. could invite
答案:
A. would like to invite
(答案→)B. would have liked to invite
C. must have invited
D. could invite
解析:本题对话首先提供的信息为一般过去时,所以限定了所要填定信息的时态。would like to一般用于表示现在时,而句中时态为过去,所以需用would have liked to