The United States signed up on Friday for the 2010 Shanghai World Expo, _________ it the last major country to join the event．

Who would you rather ________ the watch?

With a series of strange phenomena_____ , people living in the small village began to suspect that the earthquake was coming.
A to happen   B happening   C happened    D being happened

_____ 500g of honey, a single bee would have to make about 10 million trips from the hive to the flower and back again.
A Producing   B To produce   C Being produced    D Having produced

______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

– What made Lucy so happy?
---_______ a medal as her reward for her service.
A As she was given   B Having been given    C Have been given    D Given

I really appreciate for your introduction; actually we ____ each other before.
A have met    B had met    C met     D meet

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 held    D to be held

The young lady stopped and looked around as if_____ whether she was being followed.
A seeing      B to have seen    C having seen     D to see

There isn’t much time_____ . shall we go now?
A leaving    B to leave    C being left    D left