Jawabanmu

2014-09-12T17:55:26+07:00
Certainty :
A : are you sure you wiil get a good mark from the exam result?
B : i'm sure about it.
uncertainty
A : i'm doubt about my exam result.
B : you don't need to be worried. i believe you will get a good mark.
2014-09-13T00:28:20+07:00
certainty :


A: are you sure you will join the competition?
B: I'm sure

uncertainty

A: i'm doubt about this competition
B: Dont worry. you will be the winner