The Great Wall is __________ tourist attraction that millions of people pour in every year.
He visited the Effel Tower, which __________to 1889, during his stay in France last summer.
Feb. 14,2010, to most Chinese, is not just____ day devoted to people in love, but also _____day to express their care to their family and friends.
--- Will you join us in the dance tonight? --- I’m afraid not. My uncle is coming by train at 7 pm and I ____ him at the station then.
In nature some animals actively defend the area ____they depend for the resources.
--- What are you up to now? --- I’m preparing for the interview ____ tomorrow. After all, it is my first attempt.