they are (seeing friends).对括号部分提问

问题描述:

they are (seeing friends).对括号部分提问

What are they doing?
原因:
此举为特殊疑问句,首先括号中里的词一定不要有.再看they are.一般变化时都将其倒过来再放在疑问词之后最后看seeing friends,seeing为ing形式所以是doing.