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【题目】If you turn off the lights, the screen of the computer ______ be more clear.

A.mustB.has toC.is toD.can

【答案】D

【解析】

考查情态动词。句意:如果你把灯关掉,电脑的屏幕可能会更清晰。A. must必须;B. has to不得不;C. is to将要;D. can可能。此处表示一种客观事实的推测,“可能”,故选D项。

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