1.Which book did（或者does） the man want?
2.i want the small one with yellow handle.（不要to,to后面要接动词）
3.he is doing working on his desk.（用进行时态）
4.i want to drink a cup of tea.（与第二个比较）
5.do you want to drink a cup again?（同上）
6.He has had a glass more（这个不太确定）
7.what do i must do.（前面一个是助动词）