---Do you know what Tom does all day? ---I know he spends at least _______ time watching TV as he does spend doing his lessons.
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.
The scientist was rewarded by the government for __________such a great,contribution to the country.
Too high house prices can be brought under control,__________the authorities introduce a series of regulatory policies.
all kinds of difficulties,the workers have made rapid progress in the construction of the World Expo 2010 Shanghai.
—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.