这句话的语法对吗?如果不对,请指出并改正,最好说明理由.

题目

这句话的语法对吗?如果不对,请指出并改正,最好说明理由.
When the Lancaster bomber crashed it was not too badly damaged,but the island where it crashed was so remote that the wreck remained undisturbed for more than twenty years.

答案

建议一：把长句改成两句短句.即When the Lancaster bomber crashed it was not too badly damaged.But,the island where it crashed was so remote that the wreck remained undisturbed for more than twenty years...