we all know that the next Olympic Games()in Rio de Janeiro in 2016is being heldwill be heldhas been heldwill be holding理由说下谢谢

问题描述:

we all know that the next Olympic Games()in Rio de Janeiro in 2016
is being held
will be held
has been held
will be holding
理由说下谢谢

will be held

填will be held,将来发生的事情所以用将来时,奥运会被举行,所以用被动