1. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
    不久，一架直升飞机飞到现场，来搭救失事飞机的幸存者。

2. In textile areas it has long been customary for mothers to go out to work.
    在纺织工业区, 母亲外出工作早已司空见惯.

3. It has long been known that the hunting scenes depicted on walls were not simply a form of artistic expression.
    大家早就知道，画在墙上的狩猎图景并不是单纯的艺术表现形式，

4. It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
    有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。

5. In a long drop, they reach speeds of 60 miles an hour and more.
    在一个长长的跌落过程中，它们可以达到每小时60里甚至更快的速度。

6. It has belonged to our family for a long time.
    我们家有这件乐器已经很久了，

7. In the play, she must appear in a bright red dress and long black stockings.
    演出时她必须穿一条鲜红色的裙子和黑色的长筒袜。

8. In 1963 a Lancaster bomber crashed on Wallis Island, a remote place in the South Pacific, a long way west of Samoa.
    1963年，一架兰开斯特轰炸机在瓦立斯岛毁。那是南太洋中一个很偏僻的小岛，位于萨摩亚群岛以西，距离群岛还有很长一段距离。

9. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
    不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。

10. It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
    他们很快便适应了游泳，以致能捡起池底的物品。