写出单词正确形式：Her mother left very ____（无力的）after she became ill.
题目
写出单词正确形式：Her mother left very ____（无力的）after she became ill.
如上,i继续】】】My brother is old enough to take care of _____(he).We live in a ___(wonder) world with a lot of amazing things.He _____(quick) ate everything on his plate and asked for more.
答案
weak himself wonderful quickly
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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