【題目】“______ your best? It’s not satisfactory. I’m afraid you will have to do it again.” ( )

A.Do you tryB.Have you triedC.Are you tryingD.Have you been trying

【答案】B

【解析】

句意:你盡力了嗎?這不令人滿意?峙履悴坏貌贿@么做。這句話應(yīng)該問的是在現(xiàn)在的過去,你是否盡力了,所以用現(xiàn)在完成時,現(xiàn)在完成時更加突出,強調(diào)時間對比,從過去到現(xiàn)在的這個努力程度。故選B

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