Choose the correct answer  A, B, C or D into complete the following sentence. "Do you know what is the cause __________ pollution?"

In 1876, the telephone ______ first introduced by Bell and Watson.

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I think they are now accustomed to _______ 12 hours a day.

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It was raining……we canceled the trip to Halong bay last Sunday.

Choose best correct to complete the sentence. He turned off the lights before going out _____ waste electricity

Choose the letter (A, B, C, or D) as the best answer to complete the following sentences.

For a while, I was at a __________ to know what to say.

Choose one suitable preposition to complete each following sentence: 

The boat sank……………the waves.

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The children started to get ...................

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Lee was upset by_______ him the truth.

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My brother speaks…………………………

Choose the letter A, B, C or D to complete the sentences: They_______ time and money doing such a thing.

Choose best correct to complete the sentence.  _________ my father is old, he still goes jogging

Is the rubbish______ every day?

Choose best correct to complete the sentence. _________ her father is old, he still goes jogging

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Either I or Tom ………….beef.

Fill in the blanks with the correct preposition: "The man standing ...... the window is my uncle."

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Each year,…………destroys homes and injures children.

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The wind is_______ to blow the roof off.

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I taught_______

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students……………their homework after class.

Choose A, B, C or D to complete sentence. People are looking __________ a type of cup recycled from grains