do you know ( ---last Sunday .and i went to the station to see him off
题目
do you know ( ---last Sunday .and i went to the station to see him off
A.when jim went to Shanghai
B.when did John go to Shang hai
C.that John had gone to Shanghai.
D.when John has been to Shanghai
答案
A
不明白的再问哟,请及时采纳,多谢!
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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