______ either of them taken part in the performance?

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问题 ______ either of them taken part in the performance?

选项 A、Have
B、Is
C、Has
D、Are

答案C

解析 either,neither作主语时通常被看做单数,所以A、D不正确,从动词词组taken part in中又可以看出,其时态为完成时的时态,故选C。
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