问题
选择题
— I'm going to Japan.
— How long _____ you _____ there? [ ]
A. are; stayed
B. did; stay
C. have; stayed
D. are; staying
答案
答案：D
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— I'm going to Japan.
— How long _____ you _____ there? [ ]
A. are; stayed
B. did; stay
C. have; stayed
D. are; staying
答案：D
