1.where...(have you/been) all day? I(have been studying) at the library since this morning.
2(Do you/have) plans for the long weekend? Yes, I (am going) camping with my friends.
3.Anna looks thinner (Has she/lost) weight? Yes,she(has been exercising) every evening for the last two months.
4 (Are you/going) shopping on Saturday? I'm not sure.I(have not/decided)yet
5.Jane(is still/playing)the piano .Yes,she(has been practising) for over an hour.
6.How long(have you/studying) German ? For five years. I(am taking) the Advanced Exam next week.
7.Daniel really (enjoys) his job at the bookshop .Yes,he...(has been working) there for 11 years.