Shanghai is bigger than ________in Jiangsu and bigger than ________in China.

They have built another new library for the students—About_____ of the books in their library are written in English．

The visitors are going to walk _____ the Creat Wall. [ ]

His knee hit on the desk ______accident. [ ]

Good news! There is ______ a birthday party this weekend．—Great．I was told it was Mary’s ______ birthday this weekend．