The Nobel Prize in literature has been awarded annually to an author from any country _________ has produced "in the field of literature the most outstanding work in an ideal direction".

Our physics teacher and English teacher always give their lessons in a lively and clear way, ______ greatly benefits us students.

Have you ever had the case _______ you can’t recognize your friend’s voice on the phone?

Maria has written two novels, both of _____ have been made into television series.

The boy sat there quietly, ______ eyes were filled with tears.

Our physics teacher and English teacher always give their lessons in a lively and clear way,____ greatly benefits us students.

I wish to thank Professor Smith, without _______help I would never have got this far.

---What do you think of teaching , Bob？
---I find it fun and challenging. It is a job ___you are doing something serious but interesting  

Mr. Li lent me a book last week, _____I have learned a lot about earthquakes.

She opened the handbag but couldn’t find the money _____she was to buy dog food.