英语必修2外研版module5创新练习及答案：s-iv语法
ⅰ.完成句子
1．________________ (这是因为) new industries often need a large amount of water when they are beginning.
答案：this is because
2．you shall use my bike on condition that you give it back to me ________________ (我离开这里之前)．
答案：before i leave here
3．___ __ ____ __________________
