你本应该按时完成作业的。（ought to have done）

1．The achievements in science and technology _____________________（正应用于） all sides of our life． （apply）

2．Contrary to the belief _______________________ （它不可能沉没）, it sank after hitting an iceberg, killing most of the 2,500 people aboard．（sink）

3．Had I followed your advice to bring an umbrella with me , I _______________________ （就不会淋雨）, so now I am running a high fever． （catch）

4．There was a lot of fun at yesterday’s party． You ____________________ （本该来的）, but why didn’t you? （ought ）

5．Water can absorb and release a lot of heat without big changes in its temperature, thus ________________________________ （创造了稳定的环境）．（create）

6． I can’t see my old grandmother _______________________ （被独自留在乡下）, so I’ll have her stay with me in the city． （alone）

7．An increasing number of overseas students, _________________________ （其年龄范围从15岁到25岁）, flood into Chinese universities． （range）

8．She looks sad．Could you please tell me ____________________ （是什么） that prevents her from being as happy as before． （it）

9．The old professor found himself ____________________ （被一群可爱的孩子包围着） the moment he entered the hall． （surround）

10．So _________________ （他如此专注于科幻小说）that he didn’t hear my call．（absorb）