If something happens__________, it happens quickly and unexpectedly (意外地).
A. finally B. suddenly C. actually
A ________ is something you win for doing something well.
A. prize B. matchC. Invention
— Many old people prefer to live in the countryside because the air there is fresh.
— Yes. And there it is quiet too.
A. in the village
B. in the city
C. in the market
— A long time ago, the Indians invented and developed numbers.
—I can’t imagine the life without numbers.
A. In the future
B. Once upon a time
C. Just now
— If people keep catching and killing these animals, they will die out one day.
—I agree with you. Let’s find a way to stop them.
A. leaveB. disappear C. appear
— What do you usually do after dinner?
— I usually go for a walk with my mother.
A. go on a picnic
B. take a trip
C. take a walk
