用was造句/were/did各造两个句子,并改为否定句,一般疑问句,肯/否定回答
题目
用was造句/were/did各造两个句子,并改为否定句,一般疑问句,肯/否定回答
共18个句子
答案
I didn't play basketball yesterday.I played basketball yesterday.Did you play basketball yesterday?I didn't watch TV last night.I watched TV last night.Did you watch TV last night?He wasn't here last ...
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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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