____ no need for everyone to do the problem again because it has _英语解答

____ no need for everyone to do the problem again because it has already been solved
a.It is b.There is
为什么选B?

人气：411 ℃　时间：2020-05-09 07:39:20

解答

there be 表示存在状态
如果把句子简化为：(There is )no need to do the problem again.不需要再处理这个问题了.