这句话的语法对吗?如果不对,请指出并改正,最好说明理由.

问题描述:

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.

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...