Choose the word (a, b, c, or d) that best fits each of the blank spaces. 
Computers are very (21)____, but they also can (22) _____ problems. One kind of problem is with the computer’s memory. It is not perfect, so (23) ____ computers lose (24)______information. Another problem is with the machinery. Computers are machines, and (25)_____can break down. When computers break down, they may erase information, like chalk on a blackboard. Or they may stop doing anything at all. And there is another different kind of problem with computers. Some doctors say they may be bad for your (26)_____. 

(22).......... 

Câu hỏi liên quan

• Choose the best answer: 

  “What is this letter about?” “It’s in regard_______ at a conference next week”.

• Choose the best answer: 

   I left my pen in this box, but it isn’t there now. Someone______ it.

• Choose the best answer: 

  “This cabinet is beautiful. Did you make it yourself?” “No, I had_______”.

ZUNIA12

• Choose the best answer: 

  I told him to come at three _______ to bring his wife with him.

• Choose the best answer: 

  This plane could get over the mountain if it rose to 10,000 feet. This means it______ over the mountains.

• Choose the letter A, B, C or D to complete the sentences:
  Distance is no longer a matter of concern _________ we can send emails within a few seconds or make cheap internet phone calls.

• Choose the best answer: 

  _____ at by everyone, he was disappointed.

• Choose the letter A, B, C or D to complete the sentences:
  Computers are widely used nowadays and have _________  benefits.

• Choose the best answer: 

  Do you have an excuse_______ late to class two days in a row?

• Choose the best answer: 

  “I hear that Mrs. Saunders has a lot of money”.

            “She’s_____ rich that she takes a helicopter to work”.

• Choose the best answer: 

  He doesn’t get up early on Sundays. He gets up_______

• Choose the best answer: 

  Since they aren’t answering their telephone, they_________

• Choose the best answer: 

  They can type. They_____ type.

• Choose correct answer A, B, C or D to complete the sentence. What is a washing machine used _________?

• Choose the best answer: 

  He didn’t seem to mind _______ TV while he was trying to study.

• Choose the best answer: 

  Al’s doctor insists______ for a few days

• Choose the best answer: 

  When did you eat? As soon as he came, we _____ our dinner.

• Choose the best answer: 

  I don’t think he will ever get_______ the shock of his father’s death.

• Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase.

  I have no idea where she is.

• Choose the best answer: 

  Suddenly everybody stopped_______ There was silence.