To ________ your homework is to look it over to see if it is right.
A. check B. finish C. Write
A(n) ____is a person whose job is playing a musical instrument (乐器）or writing music.
A. singer B. Actor C. musician
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
