例句：It is time the authorities concerned took proper steps to solve
the traffic problems.
十六、Those who ~~~ （...的人...）
例句：Those who violate traffic regulations should be punished.
十七、There is no one but ~~~ （没有人不...）
例句：There is no one but longs to go to college.
十八、be + forced/compelled/obliged + to + V （不得不...）
例句：Since the examination is around the corner, I am compelled to
give up doing sports.
十九、It is conceivable that + 句子 （可想而知的）
It is obvious that + 句子 （明显的）
It is apparent that + 句子 （显然的）
例句：It is conceivable that knowledge plays an important role in our
二十、That is the reason why ~~~ （那就是...的原因）
例句：Summer is sultry. That is the reason why I don‘t like it.
二十一、For the past + 时间，S + 现在完成式...（过去...年来，...一直...）
例句：For the past two years, I have been busy preparing for the
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 t...（查看全文）
一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen (known/heard/had/read, etc) ~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen (known/heard/had/read, etc) 例句：Hele...（查看全文）
down and out 失业，不走运例句： The bum was down and out on skid row.这个流浪汉是贫民区的一个失业者。 The writer was down and out, but he still went on with his writing.那个作家虽然已经穷困潦倒了，但...（查看全文）
1)主语从句It is common knowledge that honesty is the best policy.It is well-known that...It is self-evident/ conceivable / obvious / apparent that...It goes without saying that... It is universally ac...（查看全文）
Directions: For this part, you are allowed thirty minutes to write a composition on Harmfulness of the fake commodities. You should write at least 120 words according to the suggestions given bellow i...（查看全文）