疲惫的孩子一回到家就瘫倒在沙发上。

The tired child ___slumps onto the sofa as soon as he gets home.

由于市场需求下降，这家工厂的产量急剧下滑。

The factory's production ___slumped sharply due to decreased market demand.

她沮丧地倒在椅子上，头垂得很低。

She ___slumps in the chair with her head hanging low.