题目内容

按要求改写下列句子。
1.She has been working for 20 hours.(改为一般疑问句,并作否定回答)
             she       working for 20 hours?No,              .
2.I've been skating since l was six years old.(对画线部分提问)
                           you been skating?
3.Tom ran for one hour.(用现在完成进行时改写)
      Tom                     for one hour.
4.   We have been learning English for three years.(改为同义句)
      We have been learning English                            .
5.   I started playing tennis when I was seven years old. (改为同义句) 
      I started playing tennis                            seven.
1. Has,been,she hasn't   2. How long have    3. has been running   4. since three years ago    
5. at the age of
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