Mom is at work.I have to_______ ________ _______(照顾)my sister at home.
题目
Mom is at work.I have to_______ ________ _______(照顾)my sister at home.
He goes to the south to ______(探望)his uncle.
答案
take care of 指照顾,与look after 同义.
visit探望,拜访的意思.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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