Решение:
Вставьте was going to для he/she/it/I или were going to для you/we/they.
- Yesterday we were going to watch a film, but the TV broke.
- Tom was going to play football, but he forgot his boots.
- I was going to do my homework, but then my friend called me.
- The girls were going to sing a song, but they were too shy.
- My mum was going to bake a cake, but there was no sugar.
- You were going to help me, but you were busy.
- It was going to rain, but then the sky cleared up.
Ответ: 1. were going to; 2. was going to; 3. was going to; 4. were going to; 5. was going to; 6. were going to; 7. was going to.