问题补充:
Three-fourths of the surface of the earth___sea.
A. is
B. are
C. were
D. has been
答案:
(答案→)A. is
B. are
C. were
D. has been
解析:分数修饰主语时,若主语为不可数名词,谓语用单数形式;若主语为可数名词,谓语通常用复数形式。
时间:2019-08-03 02:21:44
Three-fourths of the surface of the earth___sea.
A. is
B. are
C. were
D. has been
(答案→)A. is
B. are
C. were
D. has been
解析:分数修饰主语时,若主语为不可数名词,谓语用单数形式;若主语为可数名词,谓语通常用复数形式。