The scientists .............. on this project try to find the solutions to air pollution.

Câu hỏi liên quan

• Choose the correct answer in each sentence.

  The research and development team that John ------ is now performing extremely well.

• Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.

  Georgia has(A) too many types of (B)soil that(C) virtually any plants can be grown(D) there.

• Choose A, B, C, or D that best completes each sentence.

  Cold deserts can be covered in ________ snow or ice and frozen water is unavailable to plant life.

ZUNIA12

• Nonrenewable resources include fossil fuels and mineral deposits, such as  _______ ore and gold ore. 

• Choose the correct answer in each sentence.

  Unless another  __________  applicant is found, Mr. Johns will be transferred to the office in China.

• This leather bag is a real bargain! It's ________ cheap!

• If you do not learn seriously, ................ to understand the subject well.

• For a short while, I managed to catch_______ of the President entering the place.

• However, they also try to serve the educational needs of a  _______ segment of the community, including older students and workers.

• There was _______ piano in the corner of the room. 

• Choose the best answer:
  Are there many students in Room 513?

• Choose the correct answer in each sentence.

  The printer on the second floor will be out of -------- until the technician arrives on Friday.

• It is high time Tom ................ more active in class.

• Choose the correct answer in each sentence.

  An extension on the deadline has been granted, meaning that the new  __________  date is January 18.

• I know you think she is weak-willed but I’ve always found her quite ..................

• Choose the correct answer in each sentence.

  Candidates who  _________  need to inform the committee before September 25 if they do not wish to run for election.

• She wrote her composition carefully to avoid ............. mistakes.

• For lunch, I always haave something quick and easy: a sandwich, a salad, toast and the....................

• Choose the correct answer in each sentence.

  The environmental economist  ____________  the average value of production per employee by taking the revenue minus the costs of a company and dividing that number by the number of employees at a company.

• Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions: 

  The power failure at dinnertime caused consternation among the city’s housewisves.