Nobody knows for sure what effect the global warming have ______ our environment in the long term.
| A．of | B．with | C．for | D．on |
Our school was ________ in 1925 and has a history of more than 80 years.
| A．set up | B．set off |
| C．set out | D．found |
________ stopping polluting the earth ________ hope to live in a better environment.
| A．Only to; we can | B．Only to; can we |
| C．Only by; can we | D．Only by; we can |
--Why do you look pale today?
--I was very ________my mother’s illness. I stayed awake last night.
| A．concerned about | B．concerned with |
| C．concerned in | D．concerned to |
After ________ series of unsuccessful attempts, he has finally passed ________ driving test.
| A．/; the | B．a; the |
| C．the; a | D．/; a |
The number of Chinese speakers in the world _________ with the development of China.
| A．grow | B．is growing |
| C．growing | D．grown |