you must study hard and not ___(浪费) time
And he must study hard
You must spend as much time as you can _________(study)hard
You not only study hard,but also you must be happy.
___(hard) you study,____-(much)you get
_____ a student,you must study hard.
Study hard!___ you study,___ results you'll get.
By studying hard and not ___ ,you will succeed
Study hard,___ you will success.
Four years ( )quite a short time; we must study hard.1,is 2,
you can not study too hard..
一边念书一边工作一定很辛苦吧.翻译→It must be hard to study and work___ ___ _
()a student ,we must study hard