What did Erik do the end of the concert? A．in B．on C．at D．by——青夏教育精英家教网——

题目内容

21、What did Erik do______ the end of the concert?

A．in B．on C．at D．by

试题答案

21、C

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What did Erik do______ the end of the concert?

A．in B．on C．at D．by

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