1. Jack skinned his knee when he fell.
   杰克跌倒时膝盖擦破了皮。
2. He sprained his ankle when he fell.
   他跌倒时扭伤了踝骨。
3. He survived a fall of 40 feet.
   他从40英尺高的地方跌下来没有丧命。
4. We heard a thump as he fell.
   我们听见他砰的一声倒了下去。
5. The directors anticipated a fall in demand.
   董事们预感需求会降低。
6. Which category does this item fall under?
   这一项目应归入哪一类?
7. There was a sudden fall in temperature.
   气温一下子降低了。
8. I recognized her when her wig fell off.
   她的假发掉下来时我认出了她。
9. She takes a vaccine against influenza every fall.
   她每年秋季接种流感疫苗。
10. I am apprehensive that she may fall ill.
    我担心她会病倒。
11. My mother was alarmed when I fell over.
    当我跌倒的时候，我妈妈很惊慌。
12. Statisticians predict a fall in unemployment by 2004.
    统计学家们预测2004年失业率会下降。
13. That debate led to the government's fall.
    那场辩论导致政府垮台。
14. Be careful lest you fall from that tree.
    要当心, 以免从树上摔下来。
15. What recks he if the sky should fall ?
    天塌下来他也不在乎。
16. The film was so abysmal that I fell asleep.
    电影太糟糕,看得我睡着了。
17. The stars came out as soon as darkness fell.
    天一黑,星星就出来了。
18. John seems to have fallen into disfavour with Mary.
    约翰似乎已经失去玛丽的欢心。
19. His eyes glazed over and gradually he fell unconscious.
    "他的眼睛变得呆滞,渐渐地便不省人事。"
20. The barometer marked a continuing fall in atmospheric pressure.
    气压表表明气压在继续下降。

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