You should take a break from time to time. Otherwise, you will soon ______ if you go on working like that.
| A．break down | B．break out |
| C．break off | D．break away |
The students ages ____ 15 to 18.
| A．range | B．ranged | C．range from | D．ranges from |
Only when your identity has been checked ____________.
| A．you are allowed in | B．you’ll be allowed in |
| C．will you allow in | D．will you be allowed in |
The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed ___ my memory.
| A．to | B．over | C．by | D．on |
Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
| A．puzzling; puzzled | B．puzzled; puzzling |
| C．puzzling; puzzling | D．puzzled; puzzled |
--- Brad was Jane’s brother!
--- _____ he reminded me so much of Jane!
| A．No doubt | B．Above all |
| C．No wonder | D．Of course |