Such good use had been his spare time_________ his English has improved a lot． [ ]

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”.

I was chatting on the Internet last nightwhen I smelt somethingin the next room．

I’ll try whobroke the window.

Noneofusexpectedthechairmanto______atthepartyWethoughthewasstillinhospital