【題目】如果你想取得好成績，你必須堅持努力學習。

____________

【答案】You must keep studying hard if you want to get good grades.

【解析】

根據(jù)中文句意，英文句子可用if“如果”引導的條件狀語從句，時態(tài)用主情從現(xiàn)，即主句用情態(tài)動詞，從句用一般現(xiàn)在時。must必須，keep studying hard堅持努力學習，want to想要，get good grades取得好成績。主語為you，組合起來可得句子You must keep studying hard if you want to get good grades，符合中文句意，故答案為You must keep studying hard if you want to get good grades.

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