问题
选择题
(2013·山西高三诊断)If you ________ to their home, remember to bring a small gift.
A．invite
B．were invited
C．have been invited
D．had been invited
答案
答案：C
C 考查时态和语态。句意：如果你已经被邀请去他们家的话，记住带一份小礼物。根据句意以及“remember to bring a small gift”可知，此处只能用表示现在时或完成时的被动语态，排除选项B、D；A项用的是主动语态，也排除。故C项正确。