问题补充：
George and Lucy got married last Sunday. All their friends to their wedding (婚礼).
A. invited
B. were inviting
C. have invited
D. were invited
答案：
A. invited
B. were inviting
C. have invited
(答案→)D. were invited
解析：本题的后半句含义是邀请所有的朋友参加他们的婚礼。表示被动的意思，用被动句，结构为be+过去分词，故本题选D。
