1.responsible
hold someone responsible 让...负责
2.Who (invented) the telephone?
谁发明的电话?
3.The government (provided) the refugees with food and clothes.
provide someone with something
向某人提供某物
4.I am going to learn to (hold) my tongue.
打错一个字,是my,不是mu
hold one's tongue:这是俚语,意思是“约束”使自己少说话