－Don’t _____ too late, you will feel tired in class. －I won’t, Mum.

prices are rising so fast, manypeople are working out ways to ______down their expenses

Listen! Someone is singing in the next room. Who ____ it be Is it Li Wei—No, it ______ be her. She is at school now.

When he came into the dinning hall, nobody said hello to him. So he felt _______. [ ]

I would appreicate ___ very much if you could tell me something about bird flu.