Be careful,don’tforget to follow your father.—I know that, Mum. One can never be too careful.

We ______ John’s name on the race list yesterday but for his injury.

The dog I saw just now is Mike’s.

How often do you refer to a dictionary when you are reading an English novel— Well, it depends. ____ it actually affects my understanding ____ look the word up.

It usually ____ him fifteen minutes to walk to school.