The lesson we learn the big fire is that we should be more and more careful.这句话有一处错误,是哪呢?

题目

The lesson we learn the big fire is that we should be more and more careful.这句话有一处错误,是哪呢?
He lied under a tree,staring into the sky.这句话有一处错误,是哪呢?

答案

The lesson we learn from the big fire is that we should be more and more careful.我们从这场大火记取的教训是我们应该越来越注意用火.(learn from的意思是“向.学习；从.中学会”)
He lay under a tree,staring into the sky.
他躺在树下,（眼睛）盯着天空.（lie的过去式是lay）