The director of the research institute came in person to______that everything was all right.

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问题 The director of the research institute came in person to______that everything was all right.

选项 A、make out
B、make sure
C、make clear
D、make up

答案B

解析本题空格处是说确定一切都无问题。B项make sure“确定”符合题意，如：Wemust make sure that they can come．(我们一定要确定他们是否能来。)其他三项makeout“了解，填写”，make clear“解释”，make up“弥补，化妆”都不正确。

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