【題目】The first thing you must remember is that in order to succeed, it is almost compulsory that you ______ optimistic.

A. be B. are C. must be D. have been

【答案】A

【解析】

試題分析：考查固定句式。It is necessary/ compulsory/important/strange that 主語+(should)+動詞原形+其他。句意：你必須記住的第一件事就是為了成功你一定要樂觀。故選A。

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