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

Câu hỏi

When forests are ________ or burnt, they release the carbon stored in the trees into the atmosphere as CO2.

Đáp án
B. cut down

Câu hỏi thuộc Bài tập:

UNIT 5: 45-MINUTE TEST - Tiếng Anh 11 Global Success