It will be safer to walk in the streets because people will not need to carry large amounts of cash; virtually all financial ___ will be conducted by computer.

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It will be safer to walk in the streets because people will not need to carry large amounts of cash; virtually all financial ___ will be conducted by computer.

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Water will continue to be ______ it is today ---- next in importance to oxygen.

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It will never be _____ profitable to exploit the seabeds, no matter how great the riches to be found there.

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Please put your( ) on the belt，which will take it to be screenedby X-ray equipment.

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The design EXPO had ----- high attendance last year that it will be moved to a larger location this year.

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