Choose the best answer:

Gravity is the force of the earth to ....... everything towards its centre.

Proteins are made up of folded irregularly chains, the links of which are amino acids.

Choose the word whose main stress is placed differently from that of the others.

Find the mistake: It’s vere cloudy. It’s go to rain.

- “Would you bother if I had a look at your paper?” - “……………"

Lan is very tired. __________ she has to finish her assignment before going to bed.

 By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers

Mark the letter to indicate the correct answer.

The new friend looks very…………….

Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food

Choose the best answer. "Maybe you organize it by genre _____ then alphabetize by band name."

'The students all went to the circus yesterday.' 'I heard it was really _________.'

It has ever been told that teaching is one of the more noble careers.

Choose the best answer:

They always go to Paris ................ plane.

 The teaching of history shouldn’t be ...................... to date and figures.

 Up to now, the world has witnessed twenty-one World Cup_________

 If our team defeat Banana team, we ________ the trophy.

 A small stone struck the windshield while we _______ down the gravel road.

I can’t go out tonight because I have too many work to do.

A: “What’s your favourite ______ at school?”

B: “English, of course.”

Mark the letter to indicate the correct answer.

The couple …………..divorce was in the newspaper has got married again.

Earl was one of the first American artists ………………… landscapes.