CHỌN TỪ TRÁI NGHĨA VỚI TỪ ĐƯỢC VIẾT HOA
1 Population growth rates VARY among regions and even among countries within the same region.
A. restrain B. stay unchanged C. remain unstable D. fluctuate.
2 In some countries, the disease BURDEN could be prevented through environmental improvements.
A. something to suffer B. something to entertain C. something said D. something enjoyable
Loga
Sinh Học lớp 12
