改正句型（1是How about have a cup of tea?

改正句型（1是How about have a cup of tea? How about a cup of tea? How about a cup of tea How about having a cup of tea?的意思 what about a cup of tea? 为什么是a cup of tea 不是 a cup tea have a cup of tea,----?选择 have a cup of tea,will you? have a second cup of tea,please. sam [ ] just [ ][have ] a cup of tea have a cup of tea与have tea how about having a cup of tea Yes ,I'd like to.