1.itisthebestforustogotoAustraliainspring.(变同义句)
________________gotoAustraliainspring.
2.Shewashappywhensheheardthenews.(变同义句)
Shewashappy________________thenews.
3.Hisdaughteristwelveyearsold.(变同义句)
Hisdaughterwas________twelveyears_______.
4.Runningisthemostinterestingthinginthecountry.变同义句)
__________themostinterestingto_________inthecountry.
为什么