问题详情：
Mr ge and his wife ________ to attend their son’s School Open day last Thursday.
A was invited B were invited C is invited D are invited
【回答】
B. 此题考察被动语态+时态，句末的时间状语last Thursday表明事件发生在过去，主语 “Mr. George and his wife”为两个人，句意为“上周四他们被邀请去参加儿子学校的开学典礼。”故选B.
知识点：动词语态
题型：选择题