问题
选择题
— How long have you been learning English?
— I've been learning English _____ six years _____.[ ]
A. for; old
B. since; /
C. for; ago
D. since; ago
答案
答案：D
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— How long have you been learning English?
— I've been learning English _____ six years _____.[ ]
A. for; old
B. since; /
C. for; ago
D. since; ago
答案：D