1.you will be happy you did
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4个回答

  • 1. you will be happy you did.

    you did 前省略了if, 它做条件状语.

    2.those who only in the hope of a return must not be surprised.

    those who 后面应该有are, 它的出处即使是教科书,也可能是遗漏.如果是出于小说,或者是复习资料,各种错误都有.

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