Linda usually does her homework in the evening,but this she is——
题目
Linda usually does her homework in the evening,but this she is——
答案
Linda usually does her homework in the evening,but this she is------
琳达通常在晚上做作业,但是这个她是-----
前半句说得通,后半句语法不对,而且不完整.
可改成：
Linda usually does her homework in the evening,but tonight she is watching TV.
琳达通常在晚上做作业,但今晚她在看电视.
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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