7. --- Can you tell me what’s your aim in life Li Ping?--- I am aiming a famous physicis

问题补充：

7. --- Can you tell me what’s your aim in life, Li Ping?

--- I am aiming a famous physicist.

A. at

B. for

C. in

D. To

答案：

(答案→)A. at

B. for

C. in

D. To

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