_____wild animals when you go up the hill.
It is not so difficult to learn program well. you need is patience and persistence.
Be quick,Tom!I need pen to mark the page.Can you get for me?
—It is said that Jack is very rich and is always changing his private cars.What is he?— ,I am not sure.
Here is example,which shows that petroleum is a very important industrial material.
—What else shall I do,Mr. Simpson?— letters arriving while I am away should be sent to my address in Florida.