The last decade of the 21st century ________ the rapid, steady development of China in various fields.
| A．witnessed | B．was witnessed | C．is witnessed | D．had witnessed |
—Does the idea of working abroad________you?
—Yes. But I have no chance.
| A．lead to | B．adapt to |
| C．appeal to | D．contribute to |
China made its firm ____ to cut carbon emissions in 2009.
| A．commitment | B．project |
| C．competition | D．comprehension |
On ______whole, Tom is ______ most aggressive person..
| A．a; the | B．/; a | C．the; a | D．the; the |
I am sure she ________ something _____ from us.
| A．keep; up | B．keep; away |
| C．keep; back | D．keep; off |
The doctor recommended he _______ a few more days in hospital.
| A．stays | B．to stay | C．stay | D．would stay |