Steel and iron can be used ______ bridges as well as machines.
| A．to make | B．to making | C．make | D．making |
Her brother was ____ at her words.
| A．annoy | B．annoying | C．annoyed | D．beingannoying |
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 |