People thought _____ hard to live without the medicine.
Don’t ________too late, or you’ll be sleepy in class tomorrow.
---I didn’t hear you come in just now. --- That’s good. We tried ________ any noise, for you were sleeping.
---The air pollution is terrible. ---It will be worse _______ we take action to protect the environment.
---Which magazine do you like better, Crazy Reading or Teen’s Space? ---I like ______ of them. They are useful for English lessons.
---Can you find out our city _________ a lot in the last few years? ---Yes. The road is wider and the buildings are taller.