Success will belong to those ___ never say “impossible”.
People have cut down many trees every year, so there will be fewer trees, ________?
Being heavy is bad for people’s health, I think you’re a little heavy. You should eat ______ meat and _________ vegetables.
Students should get a good habit of studying, you can’t do any other things while you’re doing homework. So please ___________ your MP4.
As students, we must study hard, because ___________ we study, ________ grades we’ll get.
There are too many students asking teachers to help in the teachers’ office, but this room is ____ small ____ hold them.