Children learn from watching their parents, in ______to asking questions.
A. education
B. subject
C. reason
D. addition
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If you have sleep trouble, a doctor can help you ______ out why it's happening.
A. figure
B. decide
C. account
D. manage
It's normal to spend two or three years working in one's own country before working ______ .
A. outside
B. overseas
C. at home
D. inside
You speak English so well! Where did you pick it ______ ?
If you want to travel around the world , you need time, and much money ______ addition.