I need one more stamp before my collection ______.

1. A.
   has completed
2. B.
   completes
3. C.
   has been completed
4. D.
   is completed

I need one more stamp before my collection _______.

has completed   B. completes  C. has been completed    D. is completed

I need one more stamp before my collection ______.

　 A. had completed 　     B. completes

　 C. has been completed 　 D. is completed

I need one more stamp before my collection ______. (MET1994 )

 A. has completed B. completes C. has been completed D. is completed 

I need one more stamp before my collection______. 

A. is completed    B. completes        C. has been completed       D. has completed