If you work hard and never __________, you will learn maths well.

Won’t you __________ me in a walk aftersupper It will do good to your health, you know.

Failure is never a pleasure，but it Call have a effect on your life once you learn to use it.

What’s that noise—There’s a truck stopping outside. It’s someone _____ something.

I came all the way to inform you of the time andplace of the meeting.— You could have ________ yourself the trouble bycalling me.