Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questionsIt is a ___________.

Chọn C

Sleeping bag = túi ngủ. Quy tắc sắp xếp các tính từ: OPSACOM: Opinion– Price – Shape/size– Age – Color (blue) – Original – Material (polyester) => blue polyester sleeping bag = chiếc túi ngủ làm từ polyester màu xanh