ves something to be desired.

　　毫无疑问的我们的教育制度令人不满意。

　　七、an advantage of ~~~ is that + 句子（...的优点是...）

　　例句：an advantage of using the solar energy is that it won't create (produce) any pollution.   使用太阳能的优点是它不会制造任何污染。

　　八、the reason why + 句子 ~~~ is that + 句子（...的原因是...）

　　例句：the reason why we have to grow trees is that they can provide us with fresh air./ the  reason why we have to grow trees is that they can supply fresh 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。

　　九、so + 形容词 + be + 主词 + that + 句子（如此...以致于...）

　　例句：so precious is time that we can't afford to waste it.

　　时间是如此珍贵，我们经不起浪费它。

　　十、adj + as + subject（主词）+ be, s + v~~~ （虽然...）

　　例句： rich as our country is, the qualities of our living are by no means satisfactory. {by no  means = in no way = on no account 一点也不}

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