The reason why we have to grow trees is that they can provide us with fresh air(supplyfresh air for us)我们必须种树的原因是它们能供应我们新鲜的空气。8.S0+形容词+be+主词+that+句子(...
倒装句有以下几种:1.以否定词开头的部分倒装。never,neither,nor,seldom,rarely,by no means,hardly,scarcely,nosooner,no longer,in no way,in no case,at no time,Not only…but also,N...