Lectures are often televised, enabling students to hear and see the lecturer wit

游客2025-03-20 6

问题 Lectures are often televised, enabling students to hear and see the lecturer without all______into a single lecture hall.

选项 A、having crowded
B、being crowded
C、crowded
D、to crowd

答案 B

解析动名词being crowded作without的宾语，表示状态。题句意：经常用电视转播讲课，使学生们用不着挤在一间课堂里也能听到和看到教师讲课。

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