单项选择题

To keep healthy, Professor Johnson （）cycling as a regular form of exercise after he retired.

A. took up
B. caught on
C. carried out
D. made for

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单项选择题
The engine of the ship was out of order and the bad weather ______ the helpless of the crew at sea.
A. added to
B. resulted from
C. turned out
D. made up
单项选择题
— This is my new dog. His name is Wisdom. — That’s interesting. Why （）did you give him such a name

A. in the earth
B. in world
C. on earth
D. on the world
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