问题
选择题
Linda，make sure the tables ________ before the guests arrive.
A．be set
B．set
C．are set
D．are setting
答案
答案：C
C [句意：Linda，确保桌子在客人们到达前摆好。桌子是被摆好，故用被动语态。选C。]
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Linda，make sure the tables ________ before the guests arrive.
A．be set
B．set
C．are set
D．are setting
答案：C
C [句意：Linda，确保桌子在客人们到达前摆好。桌子是被摆好，故用被动语态。选C。]