问题
选择题
Mr. Smith is our teacher. He ______ English in our school for more than six years.[ ]
A. teaches
B. taught
C. will teach
D. has taught
答案
答案：D
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Mr. Smith is our teacher. He ______ English in our school for more than six years.[ ]
A. teaches
B. taught
C. will teach
D. has taught
答案：D