问题补充:
.Three-fourths of the surface of the earthsea.
A. is
B. are
C. were
D. has been
答案:
(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。
时间:2022-11-11 12:16:16
.Three-fourths of the surface of the earthsea.
A. is
B. are
C. were
D. has been
(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。