问题
选择题
Hi Mr. Smith. I didn't know you were in New York. How long _________ here? [ ]
A. have you come
B. were you
C. have you been
D. will you come
答案
答案：C
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Hi Mr. Smith. I didn't know you were in New York. How long _________ here? [ ]
A. have you come
B. were you
C. have you been
D. will you come
答案：C