A:What are on show in the museum?B:Some photos__by African children.
题目
A:What are on show in the museum?B:Some photos__by African children.
A.are taken
B.were taken
C.taken
D.have been taken
并写出理由
答案
C
taken by African children 是作为 photos 的定语
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
最新试题
热门考点