英语A:Icalledyouatabout11a.m.,butt
A: Icall you at about 11 a.m.,but there was no answer . B: Oh ,Iam sorry . I ____ lunch with my friends in a restaurant . 1 have 2 had 3 was having 4 had had ..解题思路　感谢
因为有about 11 a.m，问在特定的时刻发生的事，只是这一点，应该是过去进行时。所以选3.was having