Choose the correct word.Example: How (much)/many does this drees cost? -

Choose the correct word.
Example: How (much)/many does this drees cost? - 20 pounds.
The children will go ti the seaside in a few / a little days.
How many/much students are there in the classroom?
There are only a few/a little museums in the town.But they are very interesting.
He did't have many/much apples last summer.
The scientist only had a few/a little time to solve the problem.
Because of the rain we couldn't spend many/much time outside.