Thứ bảy, 23/11/2024
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Câu hỏi:

20/07/2024 126

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

A. man

B. sweet-smelling

C. using them

Đáp án chính xác

D. or

Trả lời:

verified Giải bởi Vietjack

Chọn đáp án C.

using them => used them
Đây là kiến thức về sự tương đương trong câu, dấu hiệu là “and”. Động từ trước là “created” nên đằng sau cũng là Ved.

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