问题 句型转换

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.

答案

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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