( )they going to have a picnic tomorrow?括号里该填什么

问题描述:

( )they going to have a picnic tomorrow?括号里该填什么

括号应该填 are,因为 有一个短语是be going to do sth 要去做某事
句子最后用问号结束,因此是个问句,所以,把are 放在开头做提问用.