Thư Dương -

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

The amounts of oxygen and nitrogen in the air almost always remain stable, but the amount of water vapor vary considerably.

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

There were too many books on the shelves that I didn’t know which one to choose.

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

Buying clothes are often a very time-consuming practice because those clothes that a person likes are rarely the ones that fit him or her.

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

Cutural diversity is important because out country, workplaces, and schools increasingly consist of various culture, racial and ethnic groups.

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

 It was not until she could read and write when she was allowed to use smartphone.

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

The occean probably distinguishes the earth from other planets of the solar system, for scientists believe that large bodies of water are not existing on the other planets.

Question 47. Although they taste nearly the same, both Sprite and Mountain Dew are two separate citrus – flavoured soft drinks made by different companies.