The Canadian friends from our school have given us a lot of books, few of______ a bit difficult for us Chinese students.
______her dark sunglasses, the star wasn’t recognized by crazy fans.
You ______get this book free if you can tell me the name of the writer.
Mary won’t keep slim ______she takes exercise every day.
____I will go abroad for further study or not is my top concern these days.
---Would you mind my sitting here?--- ______. It’s for my girl friend.