Choose the best answer:
The volcano has erupted approximately once every ten years _ 1970.

Câu hỏi liên quan

• Choose the best option among A, B, C or D to complete the following sentence: "This book contains a series of elementary exercises _______  learners."

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

  He asked her to marry him but she_________.

• Choose the best answer from A, B, C, or D.

  If you went to see him, you ……….. out the truth.

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• Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

  On the way home, we saw a lot of men, women, and dogs which were playing in the park.

• Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.

  Jeff ____________the software on all the office computers.

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.     

  She’ll miss the bus if she __________ soon.

• To those who favorite free trade, the revival of barter can suggest nothing less than a disaster .

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  Jackson was going to study all night, ________ he declined our invitation to dinner

• Scientists believe that by altering the genetic composition of plants, it is possible to develop specimens that are resisting to diseases and have increased food value.

• All the staff in Tam’s film are expected to do some overtime, if the need rises.

• Choose the correct answer. "The USB stick is so ______that I love it so much."

• Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

  If either of you take a vacation now, we won’t be able to finish this work.

• Choose the correct option A, B, C, or D to complete the sentences.

  Perhaps the three most popular ice cream ______ are vanilla, chocolate, and strawberry.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  Many diseases__________ are no longer dangerous today.

• Choose the correct answer to fill in the blank: 

  She insisted that the report____________ as his source of information.

• Choose the correct answer to fill in the blank: 

  _______ traveling is educational, it can also be stressful and expensive.

• Smartphones are used not only for communication but also for information and ____.

• Choose the best option among A, B, C or D to complete the following sentence: "My sister regrets not being able ______ well."

• This is the place________we first met each other.

• Choose the best option A, B, C or D for each sentence:  "Cohen, _______ contract expires next week, is likely to move to play for a European club"