Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute.
It is not so difficult to learn program well. you need is patience and persistence.
Be quick,Tom!I needpen to mark the page.Can you getfor me?
—It is said that Jack is very rich and is always changing his private cars.What is he? —,I am not sure.
Here isexample,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.