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

A. be B. need to be

C. will be D. shall be

A

【解析】

试题分析:考查虚拟语气。It be + (体现事物性质的)adj. +that-从句, 从句用虚拟语气 。句意:你必须记住的第一件事是:为了成功, 你必须得乐观。故A正确。

考点:考查虚拟语气

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