问题
选择题
I have lived in Shanghai ______.[ ]
A. for 3 years
B. since 3 years
C. 3 years ago
D. 3 years
答案
答案：A
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I have lived in Shanghai ______.[ ]
A. for 3 years
B. since 3 years
C. 3 years ago
D. 3 years
答案：A