问题
选择题
There are hundreds of visitors _____ in front of the Art Gallery to have a look at Van Gogh's paintings. [ ]
A. waited
B. to wait
C. waiting
D. wait
答案
答案：C
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There are hundreds of visitors _____ in front of the Art Gallery to have a look at Van Gogh's paintings. [ ]
A. waited
B. to wait
C. waiting
D. wait
答案：C