oblige 的过去分词是什么形式？ A: oblige B: obligged C: obliged D: obligeed

We have a moral _______________ to protect the environment. (oblige)

It is a soldier's duty to ______. A: obtain B: obey C: object D: oblige

You can fight it or ______ with it. A: collide B: oblige C: cooperate D: coincident

The word “ ________ ” means similarly to “force”. A: relieve B: adjust C: oblige D: maneuver

Parents feel _______to provide the best they can for children. A: obliging B: oblige C: obliged D: obliges

I am proud that this mission was able to _________ to the space exploration. A: oblige B: contribute C: owe D: offe

He felt his mother, even if it meant leaving college. A: obliged to help B: oblige for helping C: obliged at helping

The mayor decided to ＿＿＿＿ his speech in order to leave enough time for his audience to raise questions. A: proclaim B: condense C: capture D: oblige

The low operating costs of the foreign company will （） the high labor costs the business pays in its own country. A: offend B: obstruct C: oblige D: offset