帮忙解答下现在完成时练习题
题目
帮忙解答下现在完成时练习题
二、 句型转换.
1、He has never surfed,(改成反意疑问句)
2、They have been here since 2000.(对划线部分提问)
have they been here?
3、The old man _________ last year.He for a year.(die) (动词填空)
4、This factory opened twenty years ago.(同义句转换)
This factory ________ for twenty years.
5、Miss Gao left an hour ago.(同义句转换)
Miss Gao ________ _______ ________ ________ an hour ago.
6、Her mother has been a Party member for three years .(同义句)
Her mother _______ the Party three years ________ .
7、The Green Family moved to France two years ago.(同义句转换)
_______ two years ________ the Green family moved to France.
8、The bus has arrived here.It arrived ten minutes ago.(把两个句子合并成一个句子)
答案
1 has he?
2 from 2000
3 died
4 has been opened
5
6 joined ago
7 it was that
8 the bus has arrived here ten minutes ago
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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