1. The marketing concept discussed in the passage is, in essence, __________.
Pollution in the air reduced the _________ near the airport.
The $50000 she inherited is _________ in investing in the real estate：
On Tuesday, Mike will ______ at the gym in the morning, and ______ in the afternoon.
The Tujia ethnic minority is the 6th largest ethnic minority in China, mainly resides in the border areas in the _________ China.
Human beings are fast heading for _____________.(Fill in the blank with the exact word in the article.)
Their office ____________ located in the downtown area for three years now.
_______________ echoes each other by Qian Trigram in the north and in the south of the Forbidden City.
Research into the Internet in china began in the______.
The author mentions the Balkans in the passage in order to explain why ______.
In the passage the author______.
The United Sates ranks______ in the export of rice in the world.
The economic recovery in the US _______________in Canada.
The teacher ______ be in the office; maybe he is in the library.
The story “Three in the Morning, Four in the Evening” is now often used to suggest _________________.
It's better to avoid______downtown during the rush hour．
The death toll of the earthquake in northern China--the most in history--reached ____________.
We________live in the country than in the city.
The teacher said, ‘The sun rises in the east and goes down in the west.’ __________
The city was ______ destroyed in the earthquake in 1981（）
In the fight, the thief knocked the policeman ______（）
They _______（） in the house. They are in the garage.
In the U.S., the ______ refers to the people born in the period 1946-1964.
Mike: Madam, do all the buses go downtown？ Susan: ______
