Our school has about 100 puters, but only sixty percent used regularly.
A. is
B. are
C. was
D. were
网友回答
A. is
(答案→)B. are
C. was
D. were
解析:句意:我们的学校有100台电脑,但是通常地仅仅有6%被使用。这里sixty percent 后面省略了of 100 puters,谓语动词的单复数,根据介词of后的名词来确定,这里名词是可数名词,当然谓语动词用复数,根据前面的动词可知这里也应该用一般现在时,故选B。