The new law will come into ________ on the day it is passed.

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(2005·山东)

What shall we use for power when all the oil in the world has ________?

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Scientists generally agree that the earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20 000 years since Ice Age.

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The government is committing itself ________ people's life.

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He has a good ________ of German grammar. You can ask him for help.

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(2007·天津)

Lucy has ________ all of the goals she set for herself in high school and is ready for new challenges at university.

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She was afraid to be left ________ in the ________ island.

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Generally speaking, all of us ________ our parents, but not all ________ them.

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--- Did you have a good time at the party?

---Of course I did. As a matter of fact, I had such fun that time seemed to ________ so quickly.

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There is no such kind of modern hospital in the ________ areas.

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