Mental acuity can be achieved in the following ways EXCEPT______.
A. having a balanced diet
B. forming a habit of reading
C. doing as much exercise as possible
D. keeping a routine of physical training
查看答案
How old are the twin girls？
A. 21 years old.
B. 5 years old.
C. 17 months old.
D. 5 months old.
At lunch time, the woman was
A. in the cafeteria
B. in the library
C. in the political science class
D. in computer science class
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