六级练习2015.01.29 together, everything, sister, morning, another

Rebecca949

Imaging this: you wake up each morning to find your sister lying beside you, to get dressed and tie your shoes, you use one hand and she uses another. You do everything out together, too, even sitting on the same chair at lunch and (1)___________________.
That’s what life is like for six-year-old Betty and Abby. Like most twins, the two girls look very much alike, (2)_______________, Betty and Abby share parts of the same body.
Twins like Betty and Abby are rare. Only about 40 sets are born in the United States each year. Few survive as long as Betty and Abby. That’s because twins (3)__________________________.

本帖隐藏的内容需要回复才可以浏览

susan.sui

riding on the same bicycle
but unlike most of twins
often share vital organs