They went to Geneva the week before last.过去时变将来时和现在完成时
题目
They went to Geneva the week before last.过去时变将来时和现在完成时
答案
一般将来时They will go to Geneva the last week.过去将来时They would go to Geneva the week before last.现在进行时表将来They are going to Geneva the last week.现在完成时They has been to Geneva the week ...
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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