句型转换!

问题描述:

句型转换!
1.Mary needs another three pens.(改写同义句)
Mary needs _____ _____ pens.
2.刘京在4岁的时候开始学习游泳.
Liu Jing started _____ _____ swimming _____ _____ _____ _____ four.
3.最后,他们到达了山顶.
_____ ,they _____ _____ the top of the mountain.
4.我的文章赢得了100美元的头奖.
My article _____ the first _____ of $100.

1.three more
2.to learn at the age of
3.Finally achieved to
4.won price