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______ is known to us all is that China has launched Shenzhou V spaceship successfully.

A. That        B. What           C. It           D. As

______ is known to us all is that China has launched Shenzhou V spaceship successfully.

A. That        B. What           C. It           D. As

______ is known to us all is that China has launched Shenzhou V spaceship successfully.

______ is known to us all is that China has launched Shenzhou V spaceship successfully.

A. That　　　 B. What　　　　　 C. It　　　　　 D. As

______ is known to us all is that China has launched Shenzhou V spaceship successfully.

A. That　　　 B. What　　　　　 C. It　　　　　 D. As