6. Tom is a worker. He ___ in a factory. His sisters _____ in a hospital.

A. work/ work　 B. works/ work　 C. work/ works D. works, works

5. Don’t talk here. Grandparents _____.

A. is sleeping　 B. are sleeping　 C. sleeping　 D. sleep

4. Look! The twins _____ new sweaters.　

A. are wearing　 B. wearing　 C. are wear D. is wearing

3. Listen! The baby _____ in the next room.　

A. crying 　B. cried　 C. is crying　　 D. cries

2. It’s eight o’clock. The students _____ an English class.　 A. have　 B. having　 C. is having D. are having

1. Who _____ over there now?

A. singing　 B. are sing　 C. is singing　 D. sing

4.to enrich　 5.Recognizing

5.__________ the general manager was her former class-mate, Jane let out a cry of surprise.

答案：1.Based　　 2.Having conquered　 3.were demanded,was conquered　

4.You should try your best __________ your knowledge when you are young.　

3.Children in France __________ to learn German when France __________ by Prussian soldiers.