E-mail，as well as telephones，_________ an important part in daily communication．

1. A.
   is playing
2. B.
   have played
3. C.
   are playing
4. D.
   play

E-mail, as well as telephone,______ an important part in daily communication.

A. is playing     B. have played       C. are playing     D. hoped

E-mail, as well as telephone, ______ an important part in daily communication.

A. is playing     B. have played     C. are playing   D. hoped

E-mail, as well as telephones, ______ an important part in daily communication.

 　A. is being played B. are playing C. have played D. is playing

E-mail, as well as telephones, ______ an important part in daily communication.

   A. is playing                 B. have played  

   C. are playing                D. play