All ______ registrants will receive a confirmation document that verifies they a

游客2025-06-11  3

问题 All ______ registrants will receive a confirmation document that verifies they are registered for the seminar.

选项 A、previous
B、invalid
C、infinite
D、inexperienced

答案 A

解析 词汇题。invalid意为“无效的”;infinite意为“无限的”;inexperienced意为“无经验的”;previous意为“以前的”,根据句意,故选A。
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