Question

(中考高頻題)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?jǐn)?shù)作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的單復(fù)數(shù)形式取決于百分?jǐn)?shù)所修飾的名詞的單復(fù)數(shù)形式。由often知時(shí)態(tài)是一般現(xiàn)在時(shí)，故選B。