Question

【题目】Last week the old books ______ to raise money for Free the Children.
A.sold
B.are sold
C.were sold

Answer 1

【答案】C
【解析】句意：上星期，卖了那些旧书为Free the Children筹钱。表示上一周发生的过去动作，句子用一般过去时态；句子主语the old books是谓语动词sell的承受者，句子用被动语态。故选C。