The desk_____Tom is leaning is Jack's. It's covered with dictionaries.

Ours is beautiful school with a long history,____ we are proud.

Did you attend the meeting yesterday ____ Mary talked a lot ?

He built a telescope ____ he could study the skies in his free time.

This is the song ____ I often listen in the Globle Dance Hall.

Do you remember the building ____ flew a red flag all the year round ?

Who do you suppose is the man ____ our teacher is talking ?

Thank you for your help,_____ we could not have finished the work in time.

The bike ____ he went to school was stolen last week,which made him feel sad.

He borrowed a book the other day ， the author ____ is a worker.