it's seven o'clock in the evening they must ____ at home i think so perhaps they ___ cctv news

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 02:34:16

it's seven o'clock in the evening they must ____ at home i think so perhaps they ___ cctv news

it's seven o'clock in the evening they must be at home i think so perhaps they are watching cctv news.

这是?单选?还是填空?