At a rough estimate（估计）, Nigeria is ____ Great Britain.

Mr. Su is on his way to power with constant election around the streets in Taipei.

Jack lives on the tenth floor. Tom lives on the twelfth floor. Jack lives two floorsTom.

Wow! beautiful music! I like the concert very much.一I think everybody will have wonderful time tonight.

The book Been There, Done That written by a Chinese American graduate is _____ a real story.