_____ do you improve yourlistening?—I improve it _____ listening toBBC and VO

Tom didn’t go hiking with his classmates ____ his illness.

Those chairs are cool in summer because they are made ________ bamboo.

Why do you appreciate her help so greatly一Because her donation makes it possible for me the dog Lucky.

It is __________ to spend money onpreventing illnesses by promoting healthy living rather than spending on tryingto make people ___________ after they are ill.