1)Most of the world's fresh water ____ at the North and South Poles.A. are frozen B. is freezing C. is frozen D. have been frozen 2)This newpaper is made of _______ paper. A, recycle B, recycled C, old D, waste 3)Please collect sll recyclable materials, and ... B, remake C, repeat D, rewrite 5)These materials can be ____ into other packaging products. A. reused B. reduced C. removed D. recycled
đã trả lời
10 tháng 4, 2020
trong Tiếng Anh lớp 8