30. The elephant I saw in the zoo ate all the things the visitors gave it.A. upB. atC. ou

发布时间：2020-08-16 06:40:15


30. The elephant I saw in the zoo ate      all the things the visitors gave it.
A. up
B. at
C. out
D. Off

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(答案→)A. up
B. at
C. out
D. Off
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