Ответ:
1) There are too many restaurants in the city.
2)There is too much milk in the coffee
3)There are too many students in the classroom.
4) There is too much music to download.
Объяснение:
1) restaurants - рестораны--исчисляемое поэтому ставим many
2) milk-молоко - несчисляемое - ставим much
3) students - учащиеся - исчисляемое - ставим many
4) music - музыка - несчисляемое - ставим is