There is no need _______ and it’s no use__________ there too early.

One of the most important questions they had toconsider was _______ of public health.

Stay away from junk food, please! It’s bad for us, for children!

We used to ____ to school, but we get used to _____ to school now.

Sorry to say that I can’t play football with youthis afternoon, for I’ll have to prepare for the coming examination.— _____. Have some fun!