各种时态的一般疑问句习题
题目
各种时态的一般疑问句习题
答案
一般现在时 Do you like singsing?
一般过去时 Did you use to smoking?
现在完成时 Have you given up smoking?
过去完成时 Had you finished your homework before your mother came back?
一般将来时 Are you going to see the film?/Will you go to see the film?
过去将来时 不好意思...没做到过...自己推测吧
现在进行时 Are you listening to me?
过去进行时 Were you watching TV at 8 p.m yesterday?
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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