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______- is natural environment in which plant or animals live.

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His letter is full of mistakes. He _____ the mistakes carefully before sending it.

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________ have enough apples, she’ll make an apple pie this afternoon.

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If you don’t know how to spell a word, you ______ look it up in the dictionary.

Find the mistake in each of the following question. 

Developing new technologies are time-consuming and expensive.

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The earth is the only planet with a large number of oxygen in its atmosphere.

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Annie: "Have a nice weekend", - Riat “________”

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The assumption that smoking has bad effects on our health have been proved.

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A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

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Tom: " Sorry, I forgot to phone you last night” . – Mary : “______________”

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The computer has had an enormous _________ on the way we work.

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The leader demanded from his members a serious attitude towards work, good team spirit, and that they work hard.

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If you don’t know how to spell a word, you ______ look it up in the dictionary.

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Many plants and animal species are now on the _______ of extinction.

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As we wanted to be close to_______nature, we moved to the countryside.

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If you _______ to me, you wouldn’t have got so much trouble.