--What are on show in the museum?--Some photos ___ by African children.A.are taken B.were taken C.taken D.have been takenB C D应选哪一个,

分类: 作业答案 • 2022-02-15 21:01:00

问题描述：

--What are on show in the museum?--Some photos ___ by African children.
A.are taken B.were taken C.taken D.have been taken
B C D应选哪一个,

答