i don't know if it's a waste of time) \- @( r1 }% t/ E1 j, R6 M( e
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all students in high school,) c' b* e) p. U# \+ m
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if your parents tell you to learn one year again; _9 k/ n1 c# h+ ]
if you think you can learn a lot during the year, it is worthy to try. 3 q( J( x( c4 W) s( p i, ^5 N" a3 w' l. o, }: hif you think you are too old or you can get little from that, better not do it but you should look for another way.