study hava swim was were 用这五个词造一般过去时句子
题目
study hava swim was were 用这五个词造一般过去时句子
study hava swim was were
用这五个词造一般过去时句子一个词造三个句子 并将句子改写成一般疑问句,否定句.
答案
He studied at home yesterday.
He didn't studied at home yesterday.
Did he study at home yesterday?
She had a cute cat.
She didn't have a cute cat.
Did she have a cute cat?
James swam across the river.
James didn't swim across the river.
Did James swim across the river?
He was handsome.
He wasn't handsome.
Was he handsome?
There were three pigs.
There weren't three pigs.
Were there three pigs?
很简单,但是符合要求啊~求分啊~
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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