/əʊ/ old,sold
I sold my old scarf to my neighbor.
/aʊ/ house,bound
The house is bound to be sold to him.
36.I will take care of him.
我会对付他的。
37.I'll be happy to do it.
我很乐意做。
38.I'll be happy to do it for you.
我乐意为你效劳。
39.I have no choice.
我别无选择。
40.Be my guest.
我请客。