Ecologists are trying to preserve our environment for future generations by protecting the ozone layer, purifying the air, and have planted the trees that have been cut down.

Câu hỏi liên quan

• Choose the best answer:

  We hear you ............ to Italy three days ago.

• Choose the best option to complete

  Someone _____ her purse while she ___________on the bus.

• We met in an ancient building, _______ underground room had been converted into a chapel.

ZUNIA12

•  I ____________go to school early when I was a schoolboy.

• UFOs mean____________flying objects.

•  When I have free time, I usually ______.

•  I'd rather_____ in the field than_____ at home.

• Some people believe that books are _______ species, fighting for survival in competition with TV, film, the Internet and CD.

   

• Choose the word or phrase (A, B, C or D) that best fits the blank space in each sentence.

  The police are now looking for two young man______ were seen running out of the store.

• Young men often enjoy________films.

• John is really ____________ in learning French.

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

  Once you have started something, you ought to see it__________ to the end. 

• Since Carl was unable to pay his bill, after a couple of months, his telephone was _______.

     

• Students suppose to read all the questions carefully and find out the answers to them.

• The puppy stood up slowly, wagged its tail, blinking its eyes, and barked.

• Choose the sentence that has the same meaning as the original one by circling the corresponding letter A, B, C, or D. 
  My teacher lives far from our school.

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

  We are______________ no obligation to change goods which were not purchased here.

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

• Choose the best answer:

  The bus ............... come out hive since six o'clock.

•  Thank you very much ........................ lending me your bike