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
答
what do主句没有BE动词,情态动词,所以要添加助动词do
答
what do you usually do whenit'sraining?
答
What do
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