1Peter worked at the plant last year 2she often meets her friends at the University 3 They are listeninng to music 4 Alice"s brother is sitting in the garden 5I teach biology 6I shall come home late 7Shi will understand you

1) Did Peter work at the plant last year?
2) Does she often meet her friends at the University?
3) Are they listening music now?
4) Is Alices brother sitting in the garden now?
5) Do I teach Biology?
6) Shall I come home late?
7) Will she understand you?