1. Tom had lunch at school yesterday. (改为否定句)
    Tom ______ ______ lunch at school yesterday.
2. The boys are flying kites in the park now. (就画线部分提问) 
    ______ are the boys ______ in the park now?
3. She does well in singing and dancing. (改为同义句)
    She is ______ ______ singing and dancing.
4. Lucy hasn't traveled by sea. Lily hasn't, either. (合并为一句简单句) 
    ______ Lucy ______ Lily has traveled by sea.
5. You mustn't play jokes in the reading room. (改为祈使句)
    ______ ______ jokes in the reading room.