英语高手进!改同义句Tom is busy with his homework. Tom is [] [] his homeworkhis homework

英语高手进!改同义句Tom is busy with his homework. Tom is [] [] his homeworkhis homework
英语人气:186 ℃时间:2019-08-19 11:25:34
优质解答
busy doing (be busy with sth=be busy doing sth)
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