They volunteer________at the local hospital．
| A．to work |
| B．working |
| C．work |
| D．to working |
My son is only 12 years old, but he is ________ in our family. He grows so fast.
| A．tall | B．taller |
| C．tallest | D．the tallest |
Sandy likes travelling. She _______ stays at home during holidays.
| A．seldom | B．usually |
| C．always | D．often |
There _______ a charity show at the school hall next week.
| A．was | B．will be |
| C．has been | D．are |
Don’t _______ too late tonight, or you will feel sleepy in class tomorrow.
| A．get up | B．put up |
| C．stay up | D．wake up |
—Tom is an honest boy, _______ he?
—Yes. We trust him all the time.
| A．isn’t | B．is |
| C．does | D．doesn’t |