---Do you know the timetable of the school bus? ---Sure, the first trip________ at 6:30 a.m. and usually continues until 4 p.m. on weekdays.
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.
_____ a diary every day and you’ll improve your writing.