【題目】 —You will fail in the exams ________ you work hard.

—I know, Dad. I'll try my best.

A. if B. unless C. as long as

【答案】B

【解析】

試題分析：句意：---如果你不努力學(xué)習(xí)，你考試就會(huì)失敗。---我知道，爸爸。我會(huì)緊握最大努力的。A如果；B如果不；C只要。根據(jù)句意，故選B。

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