The ice is __thin__skate on
The ice is __thin__skate on
the ice is to skate on.
An ice cream is on the ground.
on the ice还是on ice
The ice is too thin for you to walk on .等于The ice is so thin
The ice on the river is too () for skating
fall on the ice
The ice is too thin for you to walk on.(被动语态) The ice is__ _
It is d____to walk on the thin ice.
there is some ice on the road.do not ()too().
The ice is too thin.You can'tskate on it.(改为同义句) The ice is
_______the ice on the road .