【题目】I should very much like to have gone to Susan's birthday party, but______.
A.I have to give a lectureB.I had to give a lecture
C.I have had to give a lectureD.I had had to give a lecture
在线课程【答案】B
【解析】
考查动词时态。句意：我本来很想去参加Susan的生日聚会，但我不得不去做报告。but连接两个并列分句，but前面是对过去的虚拟，but后面是过去的事实，应用一般过去时。故选B。