1.
Key Elements of Learning and Education--The Four Key Elements of Education;
学习要素与教育要素——教育的四要素
2.
(4) Pay for anything you damage.
（四）损坏东西要赔；
3.
Fourth, it is essential to select students carefully.
第四，要选好学员。
4.
I would like a quarter of a pound(1/4 1b)of tea please.
我要买四分之一磅（四英两）的茶叶。
5.
We can' t go until Thursday.
我们要到星期四才能去。
6.
He is now not coming till Thursday.
他要到星期四才来。
7.
In short, we must not hit out in all directions.
总之，我们不要四面出击。
8.
I will leave for Shanghai at four thirty.
我四点半要动身去上海。
9.
four requirements for plant service
设备维护的“四项要求”
10.
There are four principal types of limestones.
石灰岩有四种主要类型。
11.
You will need an injection every four hours.
你要每隔四小时打一针。
12.
Four Years of College: Why?
为什么要上四年大学？
13.
my piece of forty sous!"
我要我值四十个苏的钱
14.
Don't splash the news about.
不要四处散布这条新闻。
15.
My mother is behind the door.
四、按要求改写句子。
16.
We must realize the four modernizations.
我们要实现四个现代化。
17.
the alchemists believed that there were four elements.
金术士认为有四大要素。
18.
Normally B.A.or B.S.degree course work can be complete in four years.
通常需要四年时间。