i don't know if it's a waste of time# t3 P! q/ s; W" T% r1 D
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all students in high school, 4 G' w) m2 {* w) X K$ w* D @/ z2 R0 ^+ I/ P+ H, J
if your parents tell you to learn one year again ) O8 G6 y8 z% T/ K- {9 `3 m6 ^/ H! |7 \# I6 N( n6 c9 _0 }- w
how will you do?; L0 v9 K; T; D* N
/ W4 n- u" R' S" r( y2 K$ Y# Pto one has leanrt again:& D' d/ T& y! E7 Z, k+ X% A" Z
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do you think it a waste of time? . i1 i) Y# C$ Z # r0 k8 J# H$ j3 U% P5 E
if you think you can learn a lot during the year, it is worthy to try.$ `+ P# s2 A4 v! V; k4 V
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if you think you are too old or you can get little from that, better not do it but you should look for another way.