她独自承担起了照顾整个家庭的责任。

She is ___shouldering the responsibility of taking care of the whole family alone.

他主动承担起照顾生病母亲的责任。

He is ___shouldering the responsibility of taking care of his sick mother.

他用力用肩膀挤开人群往前走。

He was ___shouldering his way through the crowd forcefully.