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. 

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Find the mistake in each of the following question. 

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

Choose the correct answer to each of the following questions.

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. 

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

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.

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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

Choose the correct answer to each of the following questions.

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