.Three-fourths of the surface of the earthsea.A. isB. areC. wereD. has been

发布时间:2020-08-16 13:56:30


.Three-fourths of the surface of the earth    sea.
A. is
B. are
C. were
D. has been

网友回答

(答案→)A. is
B. are
C. were
D. has been
解析:本题的含义是地球表面的四分之三是海洋,表示的是一个客观的事实用一般现在时,本题的主语为不可数名词,故用is,故本题选A。
以上问题属网友观点,不代表本站立场,仅供参考!