句型转换 1.The headmaster saw the children playing on the playground.(改为复合句)1.The headmaster saw the children playing on the playground.(改为复合句) The headmaster saw the children _____ _____ on the playground.2.The headmaster saw the children play on the playground.(改为复合句) The headmaster saw the children _____ _____ on the playground.
问题描述：
句型转换 1.The headmaster saw the children playing on the playground.(改为复合句)
1.The headmaster saw the children playing on the playground.(改为复合句)
The headmaster saw the children _____ _____ on the playground.
2.The headmaster saw the children play on the playground.(改为复合句)
The headmaster saw the children _____ _____ on the playground.
答