问题
选择题
There have been several new events ______ to the program for the 2012 Olympic Games.[ ]
A. add
B. to add
C. adding
D. added
答案
答案：D
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There have been several new events ______ to the program for the 2012 Olympic Games.[ ]
A. add
B. to add
C. adding
D. added
答案：D