Identify the appropriate prefix $\to get opposite meaning of the word$ '$certain^{\prime}.$

1.whatever(A) is grown in the kitchen(B) garden it(C) is not a vegetable(D).

2.Parents(A) have a right prior(B) to choise(C) the kind of education that shall be given(D) to their children.

3.All men(A) are equal before(B) the law and are entitled(C) to equal protection(D) of the law.

4.If(A) he had worked hard(B), he would succeed(C) in his life(D)

5.A number of banks ____ computers for their transactions.

6.She is one of the students who always ____ late.

7.Thousands of families were ______ because of the floods.

8._____ is well known $\to$ all.

9.He was happy _____ his results.

10.He made me ____ the unpleasant thing.

11.Listening \to music always___ my spirits.

12.On what ____ did they arrest him?