Question

[Lê Quỳnh Anh]

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.

Since vitamins are contained in a wide variety of foods, people seldom lack of most of them.

A. are

B. in a

C. variety of

D. lack of

Answer 1

[Dương Hoàn Anh]

Đáp án D.