1 . To raise money for those in need of help, a c______ sale is going to be held. (根据首字母单词拼写)
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2 . I_________ card is a card with a person’s name, date of birth, photograph, etc. on it that proves who they are. (根据首字母单词拼写)
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3 . Microsoft is one of the biggest s________ companies in the world. （根据首字母单词拼写）
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