1. Leonov and his companion, Beliaiev, began making preparations for the historic walk shortly after their flight began.
    列昂诺夫和他的同伴别利亚耶夫在起飞之后不久, 就开始为这次历史性的漫步进行工作了.

2. The first group began to show some personality disorders
    结果，第一组人开始出现性格失常，

3. Leaders in Europe, where most nations already prohibit human cloning, began examining the moral implications of cloning other species.
    在欧洲，大多数国家都已禁止克隆人类，各国领导此时也开始考察克隆其他物种的道德寓意。

4. It rose out of the backet and began to follow the movements of the pipe.
    蛇从篮子里探出身随着管乐器的节奏而动起来。

5. In the breaking and remaking, in the timing, interweaving, beginning afresh, the writer comes to discern things in his material which were not consciously in his mind when he began.
    动笔前先列什么提纲。作家在剪裁修改、构思时间、穿插情节、以至从头重写的过程中，会领悟到素材中很多东西是他刚动笔时所未意识到的。

6. In the middle of the night, two boys woke up and began shouting.
    午夜前后，有两个孩子醒了，大声叫了起来。

7. It rose out of the basket and began to follow the movements of the pipe.
    它从筐里探出身子，随着乐器的摆动而扭动。

8. It is over a year now since I began studying English.
    我学英语已经一年有余了。

9. I closed my books and began a letter to Fengyun, but couldn’t finish it.
    我合上了书本，开始给凤韵写信，但我没有写完。

10. I began feeling nervous when I realized I was standing in the middle of the classroom.
    当我意识到我正站在教室中间时,我开始感到紧张了。