Good zoos have changed their focus and are now (1) ______ to environmental problems, such as the decline in wildlife and loss of habitat.Đoạn văn74/116Good zoos have changed their focus and are now (1) ______ to environmental problems, such as the decline in wildlife and loss of habitat.responding reacting replying returningGiải thíchrespond to: hồi đáp lạiChọn A