Choose the correct answer

25. . _____ was Doimoi officially initiated?- In 1986.
A. Where                                B. How                 C. When           D. Why
26.  Susan stopped to write her  letter because she had to  leave  for the hospital
                                     A                B                            C                         D
27.  We didn’t  have   many knowledge  about   physics.
                           A                 B                  C          D
28.We were advised not  drinking  the water  in  the bottle.
                            A.                 B         C               D
29.  the  storm prevented  us  to go out
        A       B                      C        D
30. If you listen to the questions carefully, you would answer them easily