同义句 1.are the trees in a dangerous situation 2.way are you so interested in tress
问题描述：
同义句 1.are the trees in a dangerous situation 2.way are you so interested in tress
3.he burnt the letter after reading it
4.we don't know how we should do it
答
1 Are the trees not safe now?
2 What are you so interested in tress for?
3 He distroied the letter by fire after reading it.
4 We are confusing about what to do with it.