---Must I finish the homework now?---No, you ________. You can do it after dinner.A. can’t B. needn’t C. mustn’t
--- You don't know what great difficulty I had _____ to get the two tickets.--- But the film is really worth_______ twice.
The chance will be given to only ________ students, so ________ of you should try hard to catch it.
The food in the fridge _________ bad. Throw it away, please.
--- You should be careful when ________.--- Yes, I will. I’d like to know when ________ to have a rest.
I prefer ________ at home ________ some reading to ________ shopping.