I think, to be a pilot, you must be ________ and have ________.


  1. A.
    enough strong, enough knowledge
  2. B.
    strong enough, enough knowledge
  3. C.
    enough strong, knowledge enough
  4. D.
    strong enough, knowledge enough
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Sleep is very important. A person who does not sleep dies faster than a person who does not eat. We spend about a third()of our lives in sleep. That’s about 121 days a year!
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短文填空。根據(jù)首字母的提示填入適當(dāng)?shù)脑~使短文完整。
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