Identify the one underlined word A, B, C or D that must be changed for the sentence to be correct: 

At present, solar cells are too expensive and inefficient to use in the commercial generation of electricity

Câu hỏi liên quan

• I tried my ____ but I didn’t manage to pass the test. 

   

• Towards the end of the film Thelma and Louise, a large truck is __________ by the main characters when they shoot its tank, which is full of oil. 

• A flammable liquid it was used to ignite a fire that burned part of the blighted Nairobi Shopping Centre.

ZUNIA12

• If a person were to look up from the middle of a deep well, he will be able to see stars in the bottom of the day.

• Choose the best answer:

  I'm thinking of .............. to Oxford tomorrow on my motorbike.

   

• Choose the best answer:

  What about .............. a new cooker?

• Identify the error in each sentence: 

  Difference conversation efforts have been made in order to saving endangered species.

• Monkeys use their foot to eat food, to gesture, and to climb.

• Choose the best answer:

  He kept on ......... my work till I threatened ............. him.

• It is large island, few people live there, though.

• The world would look eerie different if human eyes were sensitive to infrared radiation.

• Changing the rules may   ........ more harm than good, so you'd better take it into ..........

• The sister Grimm intended their fairy tales to be studied by scholars of German math and not to enjoy as simple stories by children

• Linda being chosen as the most outstanding student on her campus made her parents very happy.

• While his friends went ________ into the next class, John was kept ________.

• Two experiments were completing in like fashion, but the results of the experiments were not at all like.

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

  Billy, come and give me a hand with cooking.

• Has the tree _______cut? 

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

  The cultural and historical sites in Kyoto have been given appropriate care and maintenance.

• In the nineteenth century, women used quilts to inscribe their responses to social, economic, and politics issues.