Finding the __________ look on the students' faces, the professor felt __________ about his explanation.
| A．confusing; embarrassed |
| B．confused; embarrassed |
| C．confused; embarrassing |
| D．confusing; embarrassing |
Low-carbon lifestyle is of great benefit to improve the world environment．can be
enjoyed from it until you have a deep understanding of it，however．
| A．Something | B．Nothing | C．Few | D．Much |
The scientist was rewarded by the government for such a great，contribution to the
country．
| A．make | B．making | C．being made | D．having made |
Too high house prices can be brought under control，the authorities introduce a series
of regulatory policies．
| A．even if | B．as if | C．so that | D．provided that |
all kinds of difficulties，the workers have made rapid progress in the construction of
the World Expo 2010 Shanghai．
| A．With | B．For | C．Under | D．Beyond |
—Bob! How’s your project? I heard you started it last Friday，right?
—Oh！Ifor it．But I haven’t decided when to do it．
| A．have prepared | B．had prepared |
| C．have been preparing | D．was preparing |