______most of the guests____ to the 2009 Euro-Asia Economic Forum in Xi’an attended the forum punctually.
A invited B to invite C being invited D had been invited
It is certain that the International Horticultural Exposition(世界园艺博览会) _____ in the year of 2011 in Xi’an will attract a lot of tourists.
A being held B held C will be heldD to be held