1) I would like a cup of tea.
我想喝一杯茶。
2) I' d like to have a cup of tea.
我想喝杯茶。
3) I feel like a cup of the green tea.
我想喝杯绿茶。
4) What about a cuppa?
想喝一杯茶吗?
5) I'd prefer a cup of tea.
我宁愿喝一杯茶。
6) I want to have a glass of water.
我想喝一杯水。
参考词条