we must study hard for the ()

We must study hard for the people We must study hard for the people. So We must Study hard We must study hard 变为一般疑问句 （）a student ,we must study hard We must study hard做句型转换 We must study hard,and___,we must believe in ourselves on the one hand we must study hard;on the ___ hand,we should We must study English hard or we can't be in the library,(反义 We must study hard,so/but/and/or we'll fail in the exam. We must study English hard to help make the Olympics a s---- We must study English hard to help make the ShangHai World E