A. being known B. having been known C. to be known D. known

　　7. ___ in thought, he almost ran into the car in front of him.

　　A. Losing B. Having lost C. Lost D. To lose

　　8. If ___ the same treatment again, he's sure to get well.

　　A. giving B. give C. given D. being given

　　9. _____ in 1636, Harvard is one of the most famous universities in the United States.

　　A. Being founded B. It was founded C. Founded D. Founding

　　10. _____ with the size of the whole earth, the biggest ocean doesn't seem big at all.

　　A. Compare B. When comparing C. Comparing D. When compared

　　11. ___ time, he'll make a first-class tennis player.

　　A. Having given B. To give C. Giving D. Given

　　12. ___ in a white uniform, he looks more like a cook than a doctor.

　　A. Dressed B. To dress C. Dressing D. Having dressed

　　13. Unless ___ to speak, you should remain silent at the conference.

　　A. invited B. inviting C. being invited D. having invited

　　14. When _____, the museum will be open to the public next year.

　　A. completed B. completing C. being completed D. to be completed

　　15. The research is so designed that once _____ nothing can be done to change it.

　　A. begins B. having begun 　C. beginning D. begun

　　Crazy English

　　It is impossible to defeat a person who never gives up!

　　打败一个永不放弃的人是不可能的！

　　I sincerely hope that our friendship will last forever.

　　我真诚地希望我们的友谊天行地久。

　　I was impressed by his inspiring words, and I decided to cooperate with him.

　　他令人鼓舞的话打动了我，我决定跟他合作。

　　I never dreamed of meeting you here. What a coincidence!

　　我从未想过会在这里见到你。真是太巧了！

　　I prefer to stay at home rather than go out.

　　我宁愿呆在家里而不愿出去。

　　Not until I began to work did I realize how much time I had wasted.

　　直到我开始工作，我才意识到我已蹉跎了很多岁月。

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