toi cung la fiend moi day ,moi cong luon ,toi chao tat ca cac ban,toi lam kho thuong ngay toi phai ngoi vao may tinh 8h lien nhung kien thuc tin hoc con non kem lam cho nen toi dang ky DDTH mong duoc su giup do cua moi nguoi
Cam on tat ca family DDTH .
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