4. a) Fill in the gaps with a, an or no article.
1. I’d like ___ cheeseburger and ___ chips, please!
2. I love ___ tomatoes, but I hate ___ fish.
3. My sister always has ___ apple and ___ orange for breakfast.
4. Can I have ___ glass of mineral water, please?
5. We often eat ___ meat, but we don’t usually eat ___ rice.
6. Dave has ___ tuna sandwich every lunchtime.
7. Do you like ___ tea or ___ coffee?

там где нет артикля,смотри внимательнее,там есть множественное число и неисчисляемые существительные

1-a, a2-a,a3-an, an4-a5-no article6-a7-no article

1a,-2-,-3an,an4 a5 -,-6a7-,-