4. Grass for animals is a………….resource.A. renewable B. nonrenewablec. limited D. clean5. According to the passage, coal is nonrenewable because it takes ………to make it.A. billions of years B. millions of yearsC. three million years D. three billion years1. D 2.C 3. D 4.A 5. BXem thêm tại: http://loigiaihay.com/listening-unit-11-trang-128-tieng-anh-11-c78a19967.html#ixzz40W91sL7T
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