题目内容

I have already bought a sweater for my mother as a birthday present.(改为否定句)I________bought a sweater for my mother as a birthday present________.


  1. A.
    haven't.already
  2. B.
    don't have,yet
  3. C.
    have not,yet
  4. D.
    do not have,yet
C
分析:本句中的谓语动词是have bought,have是个助动词,否定结构必须是have not bought(haven't bought),另外already是用在肯定句里的,改为否定句时要改为yet.
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