31.Social and cultural activities for senior citizens ______ over the past several years.
A
conducted
B
were conducted
C
have conducted
D
have been conducted
25. ––Have you asked Peter for advice?
––No, he ______ someone, so I didn’t disturb him.
34.Wait a moment. The director _____ her assistant pick up some sandwiches for the meeting.
23. George decided it was such a rare car that he _____ it only for a few exhibitions.
在过去几年里,开展了针对老年市民的社会和文化活动。针对老年市民的社会和文化活动因该是被开展,且结合时间状语overthepastseveralyears,可知应用现在完成时的被动语态。故选D。
时态和语态
翻译句子 判断语境
基本用法不明确
难度适中