问题
选择题
There are many ______ to the Great Lakes every year. They go to enjoy the great nature.[ ]
A. doctors
B. teachers
C. visitors
D. passengers
答案
答案：C
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There are many ______ to the Great Lakes every year. They go to enjoy the great nature.[ ]
A. doctors
B. teachers
C. visitors
D. passengers
答案：C
