She must study hard 改成一般疑问

She must study hard 改成一般疑问 We must study hard 变为一般疑问句 I must study hard? And he must study hard So We must Study hard wendy's math is the_____.she must study hard A best B most b She （study） very hard We must study hard for the people _____ a student,you must study hard. （）a student ,we must study hard a student,though intelligent ,must study hard What I must do is study hard.