—Would you like to take ________ walk with me right now?
—Sorry, I have to meet some friends.
an
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—Is Mr.Smith over there?—It ________ be him. He has gone to Beijing on business.
- was the car invented?--It was invented in 1983.
I enjoy playing computer games, but I can't spend too much time ________ that.
________ is bad for your eyes ________ TV too much.
She is ________ poor ________ buy that nice dress.