搜题
问题   更新时间2025/10/10 16:14:00

These construction workers are required to participate______the safety training program.

A、at

B、with

C、in

D、to

答案
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C

出自：江开 >> 大学英语D252

王老师:19139051760(拨打)
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第1题

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第2题

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第3题

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第4题

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