2026年4月托福机经套卷(第3套) - Build a Sentence Q3

原题

be available the keynote speech will do you know if

The university's conference on climate change was very informative. ______ ______ ______ ______ ______ online?

参考答案：do you know if the keynote speech will be available

老师暂未填写解题思路。