The problem is _____ we can’tfinish the work intime.
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There were even some grandparentswho cameto see _____ it was all about.
We express the hope ________ theywill come tovisit China again.
A modern city has been set up in_____ was awasteland ten years ago.
We all hope ____1____ the 2008Olympic Gameswill be the best ever, and ___2___ the athletes andvisitors will enjoy China and Beijing.