题目内容
【题目】I immediately responded with a smile and my heart felt free of the stress that I ________(carry)．
【答案】was carrying/had been carrying
【解析】句意：我立刻报以微笑，而且我心中所带的压力也释放了。根据felt free判断，定语从句的谓语动词carry是过去某动作之前在进行的/持续的，可用过去进行时或过去完成进行时，故可填was carrying或had been carrying。
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