17、Nowadays for many people a winter vacation simply doesn’t count           it includes several days in the ski run.

A.unless            B.until     C.once          D.though

17、A

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Nowadays for many people a winter vacation simply doesn’t count           it includes several days in the ski run.

A.unless            B.until     C.once          D.though

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科目:高中英語 來源: 題型:

Nowadays for many people a winter vacation simply doesn’t count ______ it includes several days on the ski run.

  A. unless       B. until       C. once       D. though

 

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