My new novel has disappeared.Who _______ have taken it?
| A．should | B．must |
| C．could | D．would |
The mountain-climbing ___ every one of us.
| A．has been tried | B．has tired | C．is tired | D．tired |
I do think my house wants ____.
| A．to be painted | B．to paint | C．to be painting | D．to have painted |
The school required ____.
| A．rebuilding | B．to be re uilt | C．to have rebuilt | D．rebuilt |
You don’t need ____ so early.
| A．leave | B．left | C．to leave | D．leaving |
I need some paper _____.
| A．to write | B．to write on | C．to write with | D．writing in |