Jawaban paling cerdas!
A : hey, B... do you understand about teacher ask to do?
b : yes, i am.. we should use english in english class...
a : hhmmppp.... and do you understand about math test yesterday?
b : yap... it was easy..
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A : Do you know what i mean
B : yes.

B : do you understand of what Beni ask to do ?
C : no.