【題目】There’s no doubt ______ hard work is the key to _____ your result.

A. whether; improving B. that; improving

C. whether; improve D. that; improve

【答案】B

【解析】

考查固定句式和固定搭配。句意：毫無(wú)疑問(wèn)，努力工作是提高成績(jī)的關(guān)鍵。固定句式：There’s no doubt that---“毫無(wú)疑問(wèn)”； the key to doing sth.“做某事的關(guān)鍵”。故選B。

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