Tom and his father like skating very much.When winter( comes),they planned to go skating.It got(colder)and colder,and the father and the son got more and more excited.(When)they thought the ice on the river got thick enough,they began skating.They skated,danced and flew.They played so happily that they(unaware of )the danger.Suddenly,the(son)under the ice was really cold.Tom's father tried his(efforts)and finally got his son out of the river.Both of them were cold and＿.But that was nothing serious because they got two big＿in their hands.What a big surprise!They could have a good meal today Tom and his father like skating very much.When winter( comes),they planned to go skating.It got(colder)and colder,and the father and the son got more and more excited.(When)they thought the ice on the river got thick enough,they began skating.They skated,danced and flew.They played so happily that they(unaware of )the danger.Suddenly,the(son)under the ice was really cold.Tom's father tried his(efforts)and finally got his son out of the river.Both of them were cold and＿.But that was nothing serious because they got two big＿in their hands.What a big surprise!They could have a good meal today