把下面的单词改为现在进行时
题目
把下面的单词改为现在进行时
tell have bring feel run stand take get see make buy catch group stop know teach put go live find become study do eat say speak come sit write play is are plan begin hear carry meet let think.
答案
telling having bringing feeling running standing taking getting seeing making buying catching grouping stopping knowing teaching putting going living finding becoming studying doing eating saying speaking coming sitting writing playing being being planning beginning hearing carrying meeting letting thinking
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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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