20 Đề thi thử THPTQG môn Tiếng Anh cực hay có đáp án (Đề số 10)

For thousands of years, man has created sweet-smelling substances from wood, herbs, and flowers

7/50

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.

For thousands of years, man has created sweet-smelling substances from wood, herbs, and flowers and using them for perfume or medicine.

man

sweet-smelling

using them

or

Giải thích

Đáp án C

Sửa using them -> used them