The dinner party was a success but we thought it was a pity not you.A. inviteB. to invite

问题补充：

The dinner party was a success, but we thought it was a pity not you.

A. invite

B. to invite

C. inviting

D. to have invited

答案：

A. invite

B. to invite

C. inviting

(答案→)D. to have invited

解析：考查非谓语动词。It is/was a pity not to do sth是固定句型，it是形式主语，真正主语是后面的不定式，排除A、C；根据句意可知，晚餐聚会已经结束，邀请发生在晚餐之前，相当于“过去的过去”，应该使用不定式的完成时，排除B，故选D。