classifiers

i bought a bottle of water.

she has a piece of cake.

he needs a box of chocolates.

we saw a flock of birds flying south.

can i have a cup of coffee, please?

there's a pile of leaves on the lawn.

he owns a herd of cattle on his farm.

she wore a strand of pearls around her neck.

they found a school of fish near the reef.

he built a tower of blocks for his son.

she has a set of keys for the house.

he caught a glimpse of a deer in the woods.