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

Choose the best option to complete the following sentences.

You can use social networking sites ______your personal profile and contact other people.

Select the synonym of the following bold and underlined word in each sentence

And in 1891, the shy Marie, with very little money to live on, came to Paris to continue her studies at the Sorbonne.

Choose the best option to complete the following sentences.

A _______is a tower that contains a strong light to guide ships.

When a patient's blood pressure is much higher than it should be, a doctor usually insists that he will not smoke.

How ............ trees did they cut down?

The sea is polluted, which_______________sea plants and animals

Thomas refused to join the school basketball team, this was not good news at all

Choose the best answer:

Jack loves his parents' house _____ he was born.

ERROR RECOGNITION: San Francisco, that is a beautiful city, has a population of six million.

Choose the correct answer to complete the sentences.

This information is very important. You should put it _____

They want___________   travel by air because it is  much faster than other means of transport.

Choose the correct answer (A, B, C, D) to complete the sentence: "He'll be remembered both as a brilliant footballer and as a true _______."

An ambitious person is committed to improve his or her status at work.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Deserts have____________ reputation for supporting very little life, but in____________ reality deserts often have high biodiversity.

 I find the origin of football is the most ________

__________ you like to see my postcards collection?

Mark the letter to indicate the correct answer.

I think I prefer city life……………country life.

They ________ by a loud noise during the night.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Pay more attention___________ picture and you can find out who is the robber.

Choose the correct answer. "They are talking ____ a young pop star now."