____ no need for everyone to do the problem again because it has already been solveda.It is b.There is为什么选B?
问题描述：
____ 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?
答
固定句式记住就行！
答
是B吗？？
我怎么觉得A是对的
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.