请问has been与have been的区别,是不是rain这些不可数的名词要用has?For the whole period of two months,there---no rain in this area.now the crops are dead.a is b wasc has beend have been

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 11:51:46
请问has been与have been的区别,是不是rain这些不可数的名词要用has?For the whole period of two months,there---no rain in this area.now the crops are dead.a is b wasc has beend have been

请问has been与have been的区别,是不是rain这些不可数的名词要用has?For the whole period of two months,there---no rain in this area.now the crops are dead.a is b wasc has beend have been
请问has been与have been的区别,是不是rain这些不可数的名词要用has?
For the whole period of two months,there---no rain in this area.now the crops are dead.
a is
b was
c has been
d have been

请问has been与have been的区别,是不是rain这些不可数的名词要用has?For the whole period of two months,there---no rain in this area.now the crops are dead.a is b wasc has beend have been
has been 前面是单数或者不可数名词
have been前面是复数名词
本题是rain不可数,所以选C

has been就是have been的第三人称单数形式。
不可数名词用has
C

c,rain在这里属不可数名词,

f