The student ought to study hard变反意疑问句

The student ought to study hard变反意疑问句 l have to Study hard (一般疑问句) The student try very hard to improve their study改成同意句 lt's necessary for student to study hard同义转换 ought to 的反义疑问句 ought to疑问句怎么变 29.Before the medicine, ought to study the instructions or f The student (apply)to Fudan University to Study English how to study hard? 修改病句：As a good student,you ought to apply your mind for the ( )a student,you should study hard. _____ a student,you must study hard.