1.I ___(to study) English at school this year. I (to study) it since the 2nd Grade.
2.We (to take) a course in Computer Science now. We(to take) it since 1st September.
3.He(to live) with his relatives now. He(to live) with them for 2 weeks now.
4.They (to work) as volunteers at the Organising Committee. They(to work) there since the New Year.
5.I(to prepare) a presentation since Saturday. I(to prepare) it on social issues now.
6.She (to write) an article for 10 days.
7.We (to work) on a new ‘Theme Parks’ project now.