如题所述
第1个回答 2017-04-18
要根据句子意思
可用is 也可用are
如
All of us are very happy.
All of the work is done.追问
可用is 也可用are
如
All of us are very happy.
All of the work is done.追问
好的
谢谢
本回答被提问者采纳第2个回答 2017-04-18
this is all my friend in my home追问
friend不是应该用复数吗?
那系动词用单数形式吗?