the old woman often takes care of her daughter's baby.
we can't work out the diffcult problem.
pass the book to him,]
john bought a pen to his sister,
lucy gave an apple to jingjing.
we have a nice dinner by tom.
the hostess offered a cup of coffee to me.
1、take care of 替换为look after
2、用too… to句型
3、pass the book to him
4、bought sth to sb
5、7同一楼
6、cooked us a nice dinner
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