The three components of a paragraph are the topic sentence, the supporting sentences, and_（）
A. the controlling idea
B. the concluding sentence
C. the general facts
D. the examples
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Our identity is determined by the following factors EXCEPT______（）
A. environment
B. genetic endowment
C. chance events
D. age
One of Canada’s greatest attractions, located at the Canada-United States border, is called___（）
A. The CN Tower
B. Jasper National Park
C. The Air Canada Center
D. The Niagara Falls
Which of the following statements about the United Kingdom is true（）
A. The United Kingdom is a sovereign country made up of four different nations
B. England, Scotland and Wales all lie within the same island called Great Britain
C. Northern Ireland is located within the island of Ireland
D. All of the other three choices are correct
Don't wait for me. I___ a few minutes late（）
A. can have been or
B. might be
C. can be
D. might have been
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