The correct option is A, won't go because it uses the future simple tense correctly for a negative statement.
The correct option is C, will study because it uses the future simple tense correctly for a positive statement.
The correct option is C, will not help because it uses the future simple tense correctly for a negative statement.
The correct option is C, will watch because it uses the future simple tense correctly for a positive statement.
The correct option is B, won't play because it uses the future simple tense correctly for a negative statement.
The correct option is C, won't go because it uses the future simple tense correctly for a negative statement.