There are ___ important papers on the desk.
A) a little B) a lot of C) a lot
How ........ people are coming?
A) lots B) much C) many
How ........ water do you drink every day?
A) many B) much C) lots of
Do you need ........ milk for this recipe?
A) Many B) big C) much
Help me pleas!

То что мы можем посчитать - исчисляемое, а то что не можем - неисчисляемое. Water (воду) мы посчитать не можем, как и молоко, а вот people (люди) и papers (бумажки).

There are _B_ important papers on the desk.

A) a little B) a lot of C) a lot

How ....C.... people are coming?

A) lots B) much C) many  

How ....B.... water do you drink every day?  

A) many B) much C) lots of

Do you need ....C.... milk for this recipe?

A) Many B) big C) much