秘诀37 （6）had to （必须）的发音技巧

相似的逆行同化作用也发生在had to中，had[hAd]词尾的浊辅音[d]音受了他后面清辅音[t]的影响，而变成了清辅音[t]，had to 在口语中发成[ `hAttE]

I had to go and talk with Jim. 我必须去和吉姆谈一谈。

We had to scratch our plans for vacation. 我们不得不取消度假计划。

We had to take them at their word that the job would be done on time.

我不得不听他们的话，工作必须按时完成。