50. Teachers should be _____ with their students but should not be _____ on them.

Johnny’s uncle promises that the boy geta nice present on Christmas Eve

________ New Year’s Eve, we can watch fireworks and enjoy performances.

If you want to be healthier, you must eat ______junk food, I think.

Mum, I can’t see any point in studying hard.—Come on. dear,Years of hard study will surelyin your future career.