btw,
just now was approaching a junction...still got quite some distance
away from tat junction and the instructor ask me to keep to the
left lane(bcos initially i was in the right lane)..den i check
mirror but got car so i din change...
den at the junction, me switch on my signal wanting to keep left
but the
instructor say at junction cannot keep left...den the car behind me
horn at me...instructor shocked 
