the hill was so high that we couldn't climb it(保持原本意思不变) the

the hill was so high that we couldn't climb it(保持原本意思不变) the It's dangerous.Don't climb so high in the tree .(保持句意基本不变) 同义句转换:1.The water was so dirty that we couldn't drink it.The 1、The hill is so high that i don`t want to climb(改为同义句） The it was so dark that we couldn‘t see the road c___ 句型转换：1 .The water was so dirty that we couldn't drink it.（改为 The problem was so difficult that we couldn't work it out ea the ball was so high that i can not touch it 保持原句意思 It is so difficult that we can't climb up the mountain.什么意思? It is so hot that we can't run in the sun.保持句意不变 The mountain is so high that he can't climb it(同义句) The box was so heavy that I couldn't lift it .中为什么用couldn't