Question

(中考高频题)20％ of students often ________ at home on weekends．

[　　]

A．

stays

B．

were

C．

stay

D．

is

Answer 1

答案：B
解析：

百分数作主语时，谓语动词的单复数形式取决于百分数所修饰的名词的单复数形式。由often知时态是一般现在时，故选B。