_____ the Hope Project was carried out in this poor area, students here had no access to education.　　

         A．Once     B．As             C．Before          D．After

________ the Hope Project was carried out in this poor area, students here had no access to education．

1. A.
   Once
2. B.
   As
3. C.
   Before
4. D.
   After

_____ the Hope Project was carried out in this poor area, students here had no access to education.　　

       A．Once    B．As          C．Before        D．After

_____ the Hope Project was carried out in this poor area, students here had no access to education.    

______ the Hope Project was carried out in this poor area, students here had no access to education．

A．Once         B．As           C．Before          D．After

Before the Hope Project was carried out in this poor area, students here had no _____ to education.

A. access      B. action        C. attitude       D. attraction

Before the Hope Project was carried out in this poor area，students here had no____ to education．

A．access           B．architecture             C．attitude                D．attraction