They all went off together to see a movie and left me there alone.
| A．sit | B．sitting | C．sits | D．sat |
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！I ________for it．But I haven’t decided when to do it．
| A．have prepared | B．had prepared |
| C．have been preparing | D．was preparing |