第1个回答 2012-01-02
1. The children ______ playing in the park.
2. Lingling _______ sitting on a swing.
3. There is an old man ______ the park.
4. He is sitting _______ a bench.
5. His dog is looking ________ the children.
第2个回答 2012-01-08
The children ______ playing in the park.
第3个回答 2012-01-08
The children ______ playing in the park.