20.-Have you read a book called Jean Eyre?-Who ( )(write) it?
题目
20.-Have you read a book called Jean Eyre?-Who ( )(write) it?
Lily( )(be)away for two years since I met her last time.
The boy ( )(go) to Japan with his father and he will be back soon.
When my mother came back,we( )(get) everything ready.
What ( )you( )(do) at 8:00last night?
She feels tired because she ( )(read) all the morning
She knows Pairs well because she ( )(be) there twice.
我姐去过巴黎两次了.My sister ( )(be) to Pairs twice.
吉姆已经在北京学习两年了.Jim ( )(study) in Beijing for 2 years.
I had bought a new e-dictionary for her last week.
---Hello,Can I spaek to Mr.White?---Sorry,he isn't here right now.He ( )(go) to the theme Park.
---( ) you ( )(see) the film Kung Fu Panda?---No,not yet.I will see it this weekend.
Did you go to the flower show in the city square?No,I(
答案
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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