David lives on the _______ floor and he lives three floors _______ Nick.
| A．nine; below | B．ninth; below |
| C．nine; under | D．ninth; under |
The children should go to school instead of to support their families.
| A．to work | B．work | C．works | D．working |
By local doctors and nurses, we hope more people.
| A．train, help | B．training, helping | C．training, to help | D．train, helping |
I think____ important to learn English well.
| A．this | B．that | C．it | D．you are |
I hope my father____ ask me about my marks.
| A．not | B．not to | C．won’t | D．don’t |
It’s your job________ the pop stars.
| A．introduce | B．introducing | C．introduces | D．to introduce |