There have been several new events _________ to the program for the Beijing Olympic Game．

add

to add

adding

added

There have been several new events _________ to the program for the Beijing Olympic Game．

add

to add

adding

added

There have been several new events _________ to the program for the Beijing Olympic Game．

add

to add

adding

added

There have been several new events ________ to the program for the Beijing Olympic Game．

add

to add

adding

added

There have been several new events ________ to the program for the Beijing Olympic Game．

add

to add

adding

added

There have been several new events ________ to the program for the 2008 Beijing Olympic Game．

to be added．

to add．

adding

added．