第27题:[单选题]I answered the letter yesterday. A.gave reason to B.responded to C.returned to D.fled from 参考答案:B 本题考查的是对动词短语的认知能力。本句意思:我昨天写了回信。answer在这里是“回复”的意思。选项A give(过去式为gave ) reason to解释;选项B respond(过去式为responded ) to回复、回应;选项C return to返回;选项D flee(过去式为fled) from摆脱。 answer和respond to意思最接近,所以选B。