
41.“主语+do/does/did + so”结构指的是按上句的要求做了。此句型中do so代替上文中要求做的事,以免重复。
She doesn’t play the piano, but she likes singing. So it is with my sister.
43. There you are. 行了,好。 这是一句表示一种事情告一段落或有了最终结果的用语。
[1] There you are! Then let's have some coffee.
[2] There you are! I knew we should find it at last.
44. have some difficulty (in) doing sth. 干某事有困难;接名词时,常用句型:have some difficulty with sth.
[1] Do you have any difficulty (in) understanding English?
[1] She said she had some difficulty with pronunciation.
45. have a good knowledge of sth. “掌握……”,“对……有某种程度的了解”
[1] He has a good knowledge of London.
[2] A good knowledge of languages is always useful.
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