摘要： is known to all is many young students are sports and movie fans. A. As; that B. What; what C. It; that D. What; that

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is known to all is many young students are sports and movie fans．

________ is known to all is ________ many young students are sports and movie fans．

As; that

What; what

It; that

What; that

________ is known to all is ________ many young students are sports and movie fans．