I usually read a book when it's raining对画线部分提问_______ _______ you usually do whenit'sraining

问题描述:

I usually read a book when it's raining对画线部分提问_______ _______ you usually do whenit'sraining

what do主句没有BE动词,情态动词,所以要添加助动词do

what do you usually do whenit'sraining?

What do
希望帮到.