: Read the passage and choose the best answer for each gap. (1,2m)

Mars is called the Red Planet because of its reddish (21)…………….. There have been many explorations to Mars by humans since the mid-20th century. Scientists hope that we can find another planet to (22)…………………… human life.

              There are major reasons why the (23)……….. on Mars is unsuitable for human life. Temperatures on Mars can be as low as -87 degrees Celsius and rarely get above 0 degrees Celsius. But the bigger problem is the lack of oxygen. 95% of the atmosphere is carbon dioxide (CO2), and this is (24)………….. to breathe. Moreover, there is no water on Mars even though scientists have found traces of it. Reason why we are be able to live on Mars.  (25)…………; as early as the mid-19th century, (26) ………… discovered that Mars had some similarities to Earth. A day on Mars is 24 hours, 39 minutes and 35 seconds, almost the same as a day on Earth. Mars also experiences seasons just as Earth does. However, the seasons are twice as long because a year on Mars lasts about twice as long as an Earth year.

21.         A. surface                             B. land                       C. ground                 D. body
22.         A. to accommodate                        B. accommodation   C. accommodate      D.accommodations

23.         A water                                 B. climate                   C. oxygen                  D. food

24.         A. poison                               B. poisoning              C. to poison               D. poisonous

25.         A. However                         B. Because                 C. Although             D. So

26. A. doctors                                     B. scientists              C. engineers           D. professors

1.Be careful with your diet, or you will get overweight.
->you will
2. There was a loud noise next to my door last night, so I couldn't sleep.

→Because 

3. He uses his free time to look after the garden.

→ He spends

4. "We may go sightseeing in Sa Pa next week". Peter told Mary. 
→ Peter told Mary

5. Playing beach games is very interesting. 
→ It is very interesting

6. My sister doesn't cook as well as my mother. 
→My mother cooks

GIÚP TỚ VỚI -)) 

Complete each sentence so that it means the same as the sentence above.

a. How much is this tablet?

    What ______________________?

b. Tom saw something in the sky as he was walking home last weekend.

   When Tom _________________?

c. She's terrifield of the strange creature.

   The strange __________.

d. Big Dog climbs the stairs faster than Octopus 1

Octopus 1 ______________________

7. Last night volcano Mauri_____anf the large areas of land were affected

A. erupts   B. erupted   C. erupting   D. erupt

8. If we go on littering, the environment_______seriously polluted

A. becomes   B. will become    C. became    D. would become

9. Anh and Tom have never met_____before. They only chat on Facebook

A. eye-to-eye    B. head-to-head   C. face-to-face   D. should-toshoulder

10. The Statue of Liberty is a major monument in New York which_____freedom

A. attracts    B. symbolises    C. decide    D. understand

3. Last night before I went to bed, I _______ all my homework

A. did    B. had done   C. was doing   D. have done

4. Using codes, signs or music to communicate is called______communicatecation

A. non-verbal   B. verbal   C. vietual  D.public

5. Communication ________may happen if you don't undetstand the language

A. Break      B. breakdown   C. cut    D. cutdown

6. Too many advertising billboards, overheard poles and and shop signs cause______pollution

A. air   B. water   C. noise    D. visual