Hej!
1) Do
2) Did
3) Took
4) Make
5) Made
6) Did
7) Take
Answers to the questions:
1) I couldn't do without my phone.
2) I didn't do any research recently.
3) I took a lot of work on my hisory project.
4) I usually make most mistakes in maths tests.
5) I decided to take cold showers and I'm already feeling better after 2 weeks of taking them.
6) I don't do experiments during my science class because my teacher is very boring and she just speaks.
7) I usually try to remember things as I have great memory.
Pozdrawiam - Antek :)