We must study hard and get much K_____

We must study hard and get much K_____ So We must Study hard And he must study hard We must study hard 变为一般疑问句 We must study hard for the people （）a student ,we must study hard We must study hard for the people. We must study hard做句型转换 We must study hard,so/but/and/or we'll fail in the exam. We must study hard,and___,we must believe in ourselves ___（hard） you study,____-（much）you get I must study hard?