All assembly line workers are advised to check______time cards to make sure thei

游客2025-06-14 19

问题 All assembly line workers are advised to check______time cards to make sure their working hours are properly marked.

选项 A、theirs
B、their
C、them
D、they

答案 B

解析词汇：代词1．这是一道词汇题，选项均由代词构成。2．check是及物动词，不能直接接宾格，C选项排除。3．空格后出现名词(time cards)，因此所有格(B)their为正确选项。

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