---Have you ever heard of the new brand of computer,Miller?---Yes, of course. But I haven't decided whether to buy________.
He escaped from death, because he changed his plan _____ the last minute.
– She isn’t feeling very well today. ---You’re right. ______ to have caught cold.
Seeing from the foot of the mountain, clouds are seen beautifully ____over its top.
A person will ____ remember the advertisement but not the name of the products.
Generally speaking, children living in a city can not _____ ox ____ cow.