1.david is going to watch a race with his dad(改为否定句)2.i'm going to havr a picnic tommorrow(改为一般疑问句) 3.they are going to—（take）part in a sports meeting tomorrow(用适当形式填空)
问题描述：
1.david is going to watch a race with his dad(改为否定句)
2.i'm going to havr a picnic tommorrow(改为一般疑问句) 3.they are going to—（take）part in a sports meeting tomorrow(用适当形式填空)
答
1.David isn't going to watch a race with his dad .2 Are you going to havr a picnic tomorrow?3.They are going to （take）part in a sports meeting tomorrow.