.________ twice, the postman refused to deliver our letters unless we chained our dog.
| A．Being bitten | B．Bitten |
| C．Having bitten | D．To be bitten |
I’m sorry ____ you enough help.
| A．have given | B．of not giving | C．not to have given | D．to have given |
The result of the game is ____.
| A．frustrate | B．frustrating | C．frustrated | D．frustrates |
She is ____with her mother this afternoon.
| A．going to shopping | B．going shopping | C．going to be shopping | D．go to shop |
My grandfather is used ____ a hat in winter.
| A．to wear | B．for wearing | C．wearing | D．to wearing |
I’d rather ____ on the land ____ in a factory.
| A．work; than work | B．work; work | C．to work; than to work | D．to work; to work |