2026年2月托福机经套卷(第5套) - Build a Sentence Q10

原题

do you the professor has started grading know them if

I finally turned in my assignment last night. ______ ______ ______ ______ ______ ______ yet?

参考答案：do you know if the professor has started grading them

老师暂未填写解题思路。