Упражнение 22. Fill in when or while: 1) Fred was watching TV, ____ Pit was reading. 2) ____ mother came into the room, Anthony was sleeping. 3) Melody was crying ____ Derek first saw her. 4) Gill was cooking ____ the phone rang. 5) ____ Steven was thinking, the train left.

1. Fred was watching TV, while Pit was reading.
2. When mother came into the room, Anthony was sleeping.
3. Melody was crying when Derek first saw her.
4. Gill was cooking when the phone rang.
5. While Steven was thinking, the train left.

When употребляется для однократного события, а while — для длительного действия, происходящего в это время.