CHOOSE THE CORRECT ALTERNATIVE (WHEN - WHILE ). 1. I has a bad dream WHILE I was sleeping on the sofa.
2. Karina was doing her homework the lights went out.
3. I was talking to my husband in the park two cars crashed behind us.
4. You called me last night I was studying for an important exam
5. My mother found some old photographs she was cleaning her room.
6. The students were doing an exercise the bell rang
