题目内容
17．46．How long haven't they seen each other？Rose hasn't seen Bill for略．
47．What is Rose busy with？
Rose is busy with the略．
48．What would Rose and her sister like to do？
They would like to略．
49．What is a good choice？
略 is cheaper and closer to nature．
50．Why is it a good way to relax？
Because it's a good way to略 our school work for a while．
分析 略
解答 略
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