Grandfather and grandmother are going to see us this weekend（对this weekend画线提问）定格如下

题目

Grandfather and grandmother are going to see us this weekend（对this weekend画线提问）定格如下
______ _______ grandfather and grandmother ______ ______ see you?

答案

应该填写
When　are going to
爷爷妈妈准备什么时候去看你们.
~~~~~~~~~~～～~~~~祝你进步,如对你有帮助,请及时采纳~~~~~~~~~~~~~~~~