(对划线部分提问)David and Linda have been watching TV for four hour

学习 时间:2026-10-24 11:37:45 阅读:3465
(对划线部分提问)David and Linda have been watching TV for four hours.(watching TV划线)David and Linda have been watching TV for four hours.(watching TV划线)_____ _____ David and Linda _____ _____ for four hours?

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重要的墨镜

优美的橘子

2026-10-24 11:37:45

What have ……been doing