(think drive will write can speak draw sing be)的过去词式
题目
(think drive will write can speak draw sing be)的过去词式
答案
thought
drove
would
wrote
could
spoke
drew
sang
was were
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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