The water (is )in the cup.Some people (are) swThe water (is )in the cup.Some people (are) swimming in the river now.为什么水是不可数名词用is,人们也是不可数名词要用are.
问题描述:
The water (is )in the cup.Some people (are) sw
The water (is )in the cup.Some people (are) swimming in the river now.为什么水是不可数名词用is,人们也是不可数名词要用are.
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