2. ...while I was doing my homework.
3. ...when we were talking.
4. ...while she was reading.
5. ... but nobody was watching it.
2. The doorbell rang while I was cooking breakfast.
3. We saw an accident while we were shopping.
4. Ann fell asleep while she was reading a book.
5. The television was on, but nobody was watching.
2. ...while I was doing my homework.
3. ...when we were talking.
4. ...while she was reading.
5. ... but nobody was watching it.
2. The doorbell rang while I was cooking breakfast.
3. We saw an accident while we were shopping.
4. Ann fell asleep while she was reading a book.
5. The television was on, but nobody was watching.