新仙剑答题库:这句话我这样改写可以吗

来源:百度文库 编辑:神马品牌网 时间:2024/04/29 16:06:17
原句:If they knew how difficult it was to drill through the hard rock,they would lose heart.

If they knew it was how difficult to drill through the hard rock,they would lose heart.

If they knew to drill through the hard rock was how difficult,they would lose heart.
首先请问原句是主语从句吗,后面两句有没有问题!

让步状语从句吧。。。不太确定噢,但应该不是主从。
第2句应该错了。
第3句好象没问题。貌似how有点问题,是不是应该换个词,换so吧。
LZ读几年级?