動(dòng)詞undertake的過去式

He undertook to defend this attitude. 他開始為這一態(tài)度辯護(hù)。

She undertook to discharge all the responsibilities of a Minister. 她承擔(dān)了做部長的所有責(zé)任。

I undertook to indemnify them for expenses incurred on my behalf. 我負(fù)責(zé)償還他們?yōu)槲叶玫娜炕ㄙM(fèi)。

He undertook to finish the job by Friday. 他答應(yīng)星期五之前完成這項(xiàng)工作。