1. Are you aware of the time?
    你知道是什麽时候了吗?

2. Another time he was seen using a check for $ 1500 as a bookmark . Then he lost the book!
    另一次, 有人看见他把一张一千五百美元的支票当作书签用.后来那本书丢了!

3. At one time Nigeria was a British colony.
    过去，尼日利亚是英国的殖民地。

4. After the war the streets were full of cripples.
    战争过后，满街都是残疾人。

5. As usual, the police will have a difficult time. They will be trying to keep order.
    如往常一样，警察的日子将不太好过。他们要设法维持秩序。

6. A long time ago the tiny country of Switzerland was ruled by Austria.
    很久以前,瑞士这个小国被奥地利统治.

7. After years of pre -conditioning, most of us have developed an unshakable faith in railway time- tables.
    经过多年的应验之后，我们多数人对铁路时刻表都产生了不可动摇的信任。

8. At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable.
    然而在当时,它不仅是有史以来建造得最大的一艘轮船,而且被视为一艘不会沉没的船只.

9. At 40, he was in his prime and full of vigour.
    他40岁时正年富力强.

10. As the time and cost of making a chip drop to a few days and a few hundred dollars,
    由于制造一块芯片的时间已缩短至几天，费用也只有几百美元，