All the children like Mr White very much because he often makes them
| A．laughed | B．laugh | C．laughing | D．to laugh |
Mr. and Mrs. Green work in the hospital, but they have no children. So they belong to _____.
| A．extended family | B．nuclear family | C．DINK family | D．celibatarianger |
_____ is a program to help children’s education in poor areas.
| A．Project Hope | B．Edmonton Community Service |
| C．Kids in the hall | D．China Greener |
About _____ of the world population is Chinese.
| A．one third | B．one fourth | C．one fifth | D．one sixth |
We should plant more trees on sides of the street.
| A．either | B．both | C．all | D．each |
your help, we can finish the task in time.
| A．Thanks to | B．Thanks for | C．Because | D．Thank |