Question

Viet lai cau : Because I don't know the answer,I can't tell you ->If.................................................

Answer 1

> if i knew the answer, I could tell yọu

Answer 2

Because I do not know the answer, I can not tell you

Answer 3

If I know the answer, I will tell you

Answer 4

mỗi người có một ý khác bit theo bên nào đây

Answer 5

=> If I know the answer, I will tell you