【单选题】(仅选择本题号对应横线处的正确答案)Read aloud paragraphs 21-23 until you have learned them by heart. Then try to complete the passage from memory: The Reverend Nelson wrote that his ________ (1) as a "simple, old-fash...
【简答题】The problem of waste is becoming more and more common, so we must control (控制) it. Every day, a lot of 1 goes uneaten (没吃的) and ends up in the trash, while many people in developing countries cannot e...