他没有对那件事做出任何承诺。

　　②I felt I did not have to make such a (commit) to you.

　　我觉得我没有必要对你做出这样的承诺。

　　【答案】　②commitment

　　(2)reward n．回报，酬谢，奖励vt.奖励，给以报酬

　　③He was given a reward for his contribution to science.

　　他因对科学做出的贡献而获得了奖励。

　　in reward (for) 作为(对......的)报答或奖赏

　　as a reward for 作为......的报酬/奖赏

　　reward sb. for (doing) sth. 为(做)某事而报答某人

　　reward sb. with sth. 用某物奖赏某人

　　④She received a cash bonus as a reward for her efforts.

　　她因自己所做的努力而得到一笔奖金。

　　⑤We rewarded him finding our lost dog.

　　他找回了我们丢失的狗，我们因此报答了他。

　　【答案】　⑤for

　　[明辨异同]　reward/award/prize

reward n.指悬赏或谢意。意为"报答，报偿，奖赏"，表示由于做了某事而应该得到的东西。 award n.指正式地或官方地颁发，授予，给予的奖状或其他表彰物，以示授予者的称誉或鼓励。 prize n."奖赏，奖金，奖品"，尤指在比赛中获得的荣誉。 　　　reward/award

　　【导学号：98280018】

　　⑥He was a medal by the mayor for his dedication.

　　⑦Winners will be with a trip to England.

【答案】　⑥awarded　⑦rewarded