i don't know if it's a waste of time9 H* Q1 D# v9 y4 P+ h! U
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all students in high school,! Z! X7 } |: c
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if your parents tell you to learn one year again , ]" P( c: k2 I" |$ Z. m% E$ u& l- f$ i( Q9 D
how will you do? % R/ q7 `3 U4 P; p2 Z9 g4 l& e$ Z+ ]- S, V$ e; n( l" U5 U
to one has leanrt again: # a* j, ^; B7 g* L5 F5 K2 [) l1 L9 y$ q& h5 F4 @5 `: O- r+ a
do you think it a waste of time? " }0 }; K& B- v" w. B; p ( Z: n3 D/ O% Z- Q+ _- S7 }) y