---So you've left the classroom key inside again?---No.I've got it with me this time,but I have forgotten ______ the door?
In ______ film Cast Away , Tom Hanks plays ______ man named Chuck Noland.
--- Do you mind if I keep pets in this building? --- ________________
This book is said to be the special one, Which ______ many events that cannot be found in other history books.
It’s no use _______ him ______ doing that.
Mary has been lucky to find a job she loves and, _________, she gets a high salary for it.