he is free this sunday morning（同义句）
He has time this Sunday morning
how about going for a picnic （同义句）共4个!
What about going for a picnic?
Shall we go for a picnic?
Why not go for a picnic?
Would you like to go for a picnic?(还有好多)
mary isn‘t in（同上）共1局问题补充：
Mary isn‘t at home
还有
would you like to fly a kite
也是同义句?这个也有很多,先给一个简单的
Do you want to fly a kite?