A new __________to teaching English, is being used here, and it has proven to be very helpful to the students. 

In a debate, you have to be clear of the ______ of the disabled children.

Perhaps we need to clear away these books to make ______ for our new students.

Brian is so kind that he often gives me a ________ when I'm in trouble. 

. The _____ look on his face suggested that it was he who had broken into the house.