1. Mary hasn't been to Dalian. I haven't been to Dalian, either. (改为同义句)
          Mary        I          been to Dalian.
2. Tom is the tallest boy in his class.  (改为同义句 )
   Tom is taller than                          in his class .
3. Linda hasn't been to Wuhan. I haven't been there, either.  (政为同义句 )
   Linda hasn't been to Wuhan.                   .           .
4. She's been to Qingdao tw ice. ( 对画线部分提问)
                                has she been to Qingdao?
5. Mr. Smith has finished his work already. (改为疑问句)
           Mr. Smith finished his work          ?

1. It took us 2 hours to finish the work. (改为同义句)
    We ______ 2 hours ______ the work.
2. Tom is taller than any other boy in his class. (改为同义句)
    Tom is ______ ______ boy in his class.
3. They had lunch at school yesterday. (改为否定句)
    They ______ ______ lunch at school yesterday.
4. The Olympic Games are held every four years. (对画线部分提问) 
    ______ ______ are the Olympic Games held?
5. The government didn't want foreign engineers because they wanted a
     Chinese engineer for a Chinese railroad. (对画线部分提问) 
    ______ didn't the government ______ foreign engineers?

(     )1. A. I bought a map because I had been there before.
            B. I bought a map because I knew Dalian very well. 
            C. I bought a map because I had never been there. 
            D. I bought a map because I liked it．

(     )2. A. Jim can go to school because he is young. 
            B. Jim can't go to school because he is too young. 
            C. Jim isn't young and he can go to school. 
            D. Jim is old enough to go to school.

(     )3. A. My brother Tom is shorter than me. 
            B. My brother Tom is taller than me. 
            C. My brother Tom can get higher score than me. 
            D. My brother Tom and I are of the same height.

(     )4. A. Today we planted 10 trees. 
            B. We are going to plant 10 more trees. 
            C. We have planted 10 trees so far. 
            D. We have 10 trees in our school.

(     )5. A. I will go to Shenzhen by train to attend a meeting. 
            B. I went go Shenzhen by air to attend a meeting. 
            C. I will go to Shenzhen by air to attend a meeting. 
            D. I have been to Shenzhen to attend a meeting.