3.I‘m doing experiments in the lab.
5.I'm having lunch in the dining room.
6.I'm asking questions in the teacher's office.
7.I'm doing sports in the gym.
8.I'm having classes in the classroom building.
3.I‘m doing experiments in the lab.
5.I'm having lunch in the dining room.
6.I'm asking questions in the teacher's office.
7.I'm doing sports in the gym.
8.I'm having classes in the classroom building.