题目内容
【题目】Lots of food and water___to Ya'an, Sichuan Province immediately after the earthquake happened.
A. were sent B. are sent C. send D. sent
【答案】A
【解析】
句意：地震后许多食物和水被立刻送到四川雅安。根据主语Lots of food and water和send 是被动关系，所以用被动语态，根据 happened可知是过去时态；故选A
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