i don't know if it's a waste of time, ]1 M( w$ X4 h1 K) j2 Y6 t
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all students in high school, . M. Z0 X% x H/ l0 @1 ?7 y0 v2 R2 y4 ?# u2 k. c6 C G: {
if your parents tell you to learn one year again 7 T2 p+ W' H) T, g0 ~! T& `5 `/ Y; x( ~2 H. m2 O) G2 c
how will you do?+ n% A. i4 ^, ^
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to one has leanrt again: 2 M1 H: g0 F; }4 ?8 G6 M9 _6 V# g$ N( H+ ]
do you think it a waste of time? 3 h" W& s/ n2 ~ ! e# E( |: B* I3 G- r* L! x! p
if you think you can learn a lot during the year, it is worthy to try.* _4 ]% J6 q# }( v: z5 W
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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.