By 1820, there were over sixty steamboats on the Mississippi river, ..............  were quite luxurious.

Choose the best answer among A, B, C or D that best completes each sentence:  ……, Eva Peron, the wife of Argentinean president Juan Peron, died of cancer.

Scientists now understand _ _ _ _ _ _ _ _ _ _ _ _

Mark the letter A, B, C or D to indicate the correct answer to each of the following question

8. I won’t buy that car because it has too much_____________.

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu 12. Since, at that time, his name ________ secret, we all addressed him “Uncle Roy”.

If you ............ English in everyday conversations, you’ll speak it fluently.

This survey is to find out the young people’s attitudes  ........... love.

Mark the letter A, B, C or D to indicate the correct answer to each of the following question:

31. He does not really go around with many People because-he's a bit of a lone wolf.

The physician's office usually has a laboratory ...........a variety of medical tests can be done.

Choose the best answer:
My parents are always at ......... home on Sundays.

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu 12. We must find a better way to ________ of plastics because they cause serious environmental problems.

Choose the best answer:
I’m going to buy some ……….. in order to make myself a new dress.

In traditional medicine a healer is someone......... may use a combination of ritual and remedies to treat a sick person.

Choose the best answer:
Let’s take some pictures of the street and the beach to ____________ our presentation about the environment.

The rainforest is being systematically destroyed.

Though the issues raised by the workers were very serious, the supervisor made light of them.

For the time being,you can review the tentative ............... below and let me know if you have any questions.

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu 15. The responsibility of the _______ is to know how to discover, cure, and rehabilitate the health both of the individuals and the community.

Choose the best answer among A, B, C or D that best completes each sentence: You’ve got the job. The interview will be …..

Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu 7. She has told me I should stay till she ______________ a replacement. Well, last time it took two weeks.

In reservoirs .............. the countryside, increasing levels of acid rain have been detected.