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

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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.

Find the mistake in each of the following question. 

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 “________”

Find the mistake in each of the following question. 

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

Find the mistake in each of the following question. 

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.

Find the mistake in each of the following question. 

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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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.

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