Which item did joshua not take to school

1) She (has been running) all the way to the cabin.
2) I( had been working) at this problem for an hour before I asked my father to help me.
3) They (will have been travelling) for three months by the time they return.
4) She said the children (had been playing) since they went out.
5) Tim (has been making) the same spelling mistakes since I started teaching him.
6) We (have been corresponding) since I moved to this town.
7) How long had she (been studying) French before she left to Paris?
8) He (has been playing) in the wet sand since morning.
9) I (have been reading ) the the report for the whole afternoon.
10) By the time we finish the tenth form, we (shall have written ) a lot of essays and summaries.

The student's work is his study.As long as he is in this status, it is an educational activity.So, you have decided to get a higher education.Is it possible to work and study at the same time, even so that the work does not interfere with learning? For myself I know that this is impossible. Because every day we are at the University, and we have absolutely no time and plus to get a good education we will have to study hard, visit the library, etc. What good work, if a student does not go to zanyatiyu, tired, sleeping in lectures, does not accept the information?