1.Most of the earth ___ covered with water.

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1.Most of the earth ___ covered with water.
A.are B.is C.were D.was 这个单复数是看地球还是看水?
2.The impossible ___ often proved possible.
A.has B.have C.is D.are
3.He comes early,___ always his habit.
A.is B.was C.are D.were 我选B错了,
4.Although his many examples were all right,the remainder___ not exact.
A is B.are C.was D.were 这个答案为什么是复数呢?

为你提供完全正确的答案,请放心使用：
1.Most of the earth ___ covered with water.
A.are B.is C.were D.was 这个单复数是看地球还是看水?
B,看前面的主语,即earth.
2.The impossible ___ often proved possible.
A.has B.have C.is D.are 这个讲一下
这道题出得不好,有两个正确答案：C.is属被动式,即被证明；A.has属主动式,在英文里是很地道的用法.
3.He comes early,___ always his habit.
A.is B.was C.are D.were 我选B错了,也讲一下
这句四个选项全错,因为逗号后的从句缺一个主语.可有两个正确写法：
He comes early,which is always his habit.
He comes early,as is always his habit.
4.Although his many examples were all right,the remainder___ not exact.
A is B.are C.was D.were 这个答案为什么是复数呢?
the remainder=the rest=the rest of the examples.这里,of the examples只是修饰remainder或rest,remainder或rest是主语,即只能用单数.
不知你这些题目哪来的.当年我的教授曾教导我们：“尽信书,不如无书.”如今,作为教授的我,也是这么教导学生的.看来现在不是书在误人子弟啊!

1.Most of the earth ___ covered with water. (About two thirds) of the earth is covered with water. __ most of the earth's surface is covered by water,fresh wat 21.____ most of the earth’s surface is covered by water,fres ____ of the surface of the earth is covered with water.A.fir three quarters of the earth's surface is covered with water. About——percent of the earth'ssurface is covered with water 70% of the earth -----covered with water.A.are B.is C.were D About ___of the earth is covered with water. 1.Most of the earth's surface ________by water. most of our earth----covered by water[be]横线上填were吗 our teacher told us water ___(cover)most of the earth.正确形式填空