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:2020-06-03 03:56:56
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。
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