An important feature of consumer society is that we gain self-confidence through ______ we own.
| A．that | B．what | C．which | D．/ |
On September 8th, Obama, President of America, made an inspiring speech at the school opening, which has left a lasting ___________ on the audience.
| A．expression | B．conclusion |
| C．impression | D．information |
John’s quick action shows that ________ knowledge of first aid can makereal difference in saving a person’s life.
| A．a; the | B．a; a |
| C．/; the | D．the; a |
-----“________, sir?” -----“No. Go ahead.”
| A．May I use your dictionary |
| B．Do you mind if I use your bike |
| C．Would you mind opening the window |
| D．May I have a look at your new book |
In the environment area, there is a system ________ the waste is disposed of by using the principles of ecology.
| A．in which | B．which |
| C．on which | D．that |
After the recovery from her illness, my mother began to writing something as a way to kill her time.
| A．make up | B．put up |
| C．give up | D．take up |