You shouldn't worry too much abit it as the weightage is not as
high as your paper 1 and paper 2.
In MT oral examinations, there are 4 grades, Fail, Pass, Merit
and Distinction.
If you think you didn't do too well then you may fall in the
Merit category.
But that doesn't mean you will do badly for the overall subject.
I've seen people scoring A1 for Chinese even though they only
attained a Pass or Merit for Oral.
Good luck =)