什么叫单数用is 复数用are
什么叫单数用is 复数用are
这种情况,用单数IS还是复数ARE?
each human being用单数还是复数(is/are)?
All is / are good 谓语动词用?单数复数?
There is / are no people 用单数复数?
some water单数复数相同,为什么用is 而不是are?
sports 算复数还是单数 用is 还是 are
Class One单数还是复数(用is 还是are)
deer后用is还是are,deer表示复数时用are,单数时用is ?
不是说单数要用is,复数要用are吗?那为什么You are`````
glasses是单数还是复数!eg:Where is my glasses?是用is还是are?
Some bags and a pig后面谓语用单数还是复数?用is还是are?