Here’s useful book . book is written by Bill Gates.

 Here’s          useful book .         book is written by Bill Gates.

#32170

a; The

a; A

an; The

an; A

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 Cathy was very happy to meet _____old friend on the plane to Paris.

#32269

the

This is_________interesting work．We really enjoy it.

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／

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—Look! There is         beautiful rainbow in the sky．—Take the books for me, I’d like to take a photo of     rainbow before it disappears．

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a; the

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_______ old man in front of Tom is _______ artist.

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The old man has__    __ useful horse and            horse can do a lot of things for him.

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