History is the best teacher. It _______records the development path of each country and foretells the future to us.
Everyone needs a friend, ___ you can share the bad times and the good times with.
______I shouted at the top of my voice_____ turn around.
She made a suggestion to Tom that he ______ the problem another way, and his expression suggested that he______.
The problem just ______to be discussed.
Varieties of household goods are sold here, ____from babies’ toys to old men’s walking sticks.