i don't know if it's a waste of time4 Z6 {4 H/ {* {+ i/ l
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all students in high school, - [' E# }/ j4 x- W2 f% C9 r' E. R1 w5 |# ?; y6 Z3 L
if your parents tell you to learn one year again7 H6 N1 }& K" a" M
; H+ c" S9 W% G2 dhow will you do?8 F& m$ `) t- j& ~8 O% b
( l) {2 A n9 e; y# U6 w% Xto one has leanrt again: / r+ o5 M) M% o! f! F2 E f5 j4 S! E. }7 ?7 a& Zdo you think it a waste of time? 0 A# w" l* m) ?4 T 1 i+ L7 h: U! g; S7 K" E