单项选择题

The son was so concerned about the illness of his father.

A. serious
B. happy
C. lucky
D. worded
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单项选择题
It will be full of hazards on the way to success.
A. hopes
B. dangers
C. helps
D. dreams
单项选择题
The little boy employed an unexpected method to get the result.
A. adapted
B. adopted
C. assigned
D. appointed
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