rners consider ________a computer,which is commonly considered _____a great help in our work and study.

_______ was known to them that the boss had broken his promise______ he would give them a rise.

I wonder ________ so many people are crazy about Gangnam Style.—It’s good for bodybuilding, and it brings people a lot of fun, you know.

o ladiesare _______ the same age, but there seems to be ten years _______ them

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