题目内容

Linda ，make sure the tables ____ before the guests arrive.
A．be setB． setC．are setD． are setting
C
这题考察时态语态,make sure后面一般接一般现在时,而且the tables和set是被动关系.句意是:琳达,确保客人来之前把桌子摆好.选C.
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