they are so much fun( )[be]with each other 用所给单词【be】的适当形式填空
问题描述:
they are so much fun( )[be]with each other 用所给单词【be】的适当形式填空
答
to be
用现在时表将来.跟彼此一起的时候他们会觉得很有趣