---Listen! Peter is singing in the classroom!
---It _____ be him. He has gone back to his hometown.
| A．must | B．mustn’t |
| C．may not | D．can’t |
You have done an important job people must be really grateful to you .
| A．so… that | B．such… that | C．too … to | D．enough …. to |
Bylocal doctors and nurses ,we hope to help even more people .
| A．training | B．trained | C．train | D．to train |
We’ll have a _______holiday. What about going to the Great Wall?
| A．three days | B．three-day | C．three-days | D．three-days’ |
The money is used to ________ poor people and to support development projects.
| A．help | B．helping | C．helped | D．helps |
He is used to__________ up early every morning .
| A．getting | B．get | C．got | D．gets |