单项选择题

After I ______ for half an hour, I realized that he was not coming.

A．have waited

B．waited
C．had been waiting

D．was waiting
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单项选择题
Five hundred years ago Cape Verde was ______ .
A. a free country

B. a colony (殖民地)
C. a republic

D. an unknown country
单项选择题
The word misrepresent (Line 2, Para. 3) in the passage means ______ .
A. make a wrong judgment about
B. understand someone wrongly
C. give a wrong description of

D. form a wrong opinion about
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