With the rapid growth of Cyberspace, everyone should be encouraged to use ______ Internet as ______ tool, making it a trend to study in virtual schools in the future.

A. 不填；a                        B. 不填; the                      C. the; the                           D. the; a

With the rapid growth of Cyberspace, everyone should be encouraged to use ______ Internet as ______ tool, making it a trend to study in virtual schools in the future.

1. A.
   不填；a
2. B.
   不填; the
3. C.
   the; the
4. D.
   the; a

 With the rapid growth of Cyberspace, everyone should be encouraged to use ______ Internet as ______ tool, making it a trend to study in virtual schools in the future.

A. 不填；a                  B. 不填; the                 C. the; the                    D. the; a

With the rapid growth of Cyberspace, everyone should be encouraged to use ______ Internet as ______ tool, making it a trend to study in virtual schools in the future.