kind and helpful to the people around us, and we will make the world a nicer place to live in.
| A．Be | B．Being | C．To be | D．Been |
If you want to be thinner and healthier, you should eat___food and take____exercise.
| A．more;fewer | B．more;less | C．fewer;more | D．less;more |
While Ann ___ TV, her father came home.
| A．is watching | B．was watching | C．watch | D．watches |
At last, Peter made the baby ___ and begin to laugh.
| A．stop to cry | B．stop crying | C．to stop to cry | D．to stop crying |
When I got there ,I saw some boys _____ on the playground.
| A．playing | B．played | C．to play | D．was waiting |
Some scientists think that it may take ______years to make robots look like people, and do the same things as us.
| A．hundreds of | B．two hundreds of |
| C．two hundreds | D．two hundred of |