问题
选择题
Visitors are not permitted ________ the park after dark, because of the lack of lighting.[ ]
A. to enter
B. entering
C. to enter in
D. entering in
答案
答案：A
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Visitors are not permitted ________ the park after dark, because of the lack of lighting.[ ]
A. to enter
B. entering
C. to enter in
D. entering in
答案：A