----How many of your friends to the party last weekend ?
----All of my friends。
A. invite
B. are invited
C. were invited
D. invited
网友回答
A. invite
B. are invited
(答案→)C. were invited
D. invited
解析：考查一般过去时的被动语态。句意：---上个周末，你有多少朋友被邀请去参加派对？---我所有的朋友。故选C。