17. Соедини два предложения словами when или while: I was studying. Steve came in. (образец); I was writing a letter. The telephone rang. It was raining. I got up. She was cooking dinner. Her son came in. She was cooking dinner. He was cleaning the room. The girls were singing. The boys were learning poems. They were playing chess. I saw them.

Перевод задания: Соедини два предложения словами when («когда») или while («в то время как»).

Образец: I was studying when Steve came in. (Я занимался, когда вошёл Стив.)

1. I was writing a letter when the telephone rang. (Я писал письмо, когда зазвонил телефон.)
2. It was raining when I got up. (Шёл дождь, когда я встал.)
3. She was cooking dinner when her son came in. (Она готовила ужин, когда вошёл её сын.)
4. She was cooking dinner while he was cleaning the room. (Она готовила ужин, в то время как он убирал комнату.)
5. The girls were singing while the boys were learning poems. (Девочки пели, в то время как мальчики учили стихотворения.)
6. They were playing chess when I saw them. (Они играли в шахматы, когда я их увидел.)

Для короткого действия, прерывающего длительное, используется when; для двух одновременных длительных действий — while.