31.－What are on show in the museum?－Some pictures by middle-school students.A. takingB. h

发布时间：2020-08-16 06:57:02


31.－What are on show in the museum?
－Some pictures      by middle-school students.
A. taking
B. having been taken
C. taken
D. being taken

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A. taking
B. having been taken
(答案→)C. taken
D. being taken
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