Ответ:
- There are many museums in Moscow.
- There is a factory not far from my house.
- There is no ink in my fountain-pen.
- There is much butter on the plate.
- There are many leaves on the ground in autumn.
- There is a vase with flowers on the table.
- There are some English books on that shelf.
- There are four shelves with books on the wall.
- There is nothing there.
- There is much snow in the streets.
Краткое пояснение: Используем 'there is' для единственного числа и неисчисляемых существительных, и 'there are' для множественного числа.