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"The conference was very popular, so participants had to ______ in advance to secure a spot." a) ignore b) cancel c) register d) delay
"The conference was very popular, so participants had to ______ in advance to secure a spot." a) ignore b) cancel c) register d) delay
ignore
cancel
register
delay
10 人已做了小测试
2025年5月20日 21:05

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