Why should we choose Fish here?

[Enlearnercn]

English Grammar Tests, Elementary Level

ESL/EFL Test #89 "Common Quantity Nouns", question 10

At the show, we saw many different schools of ..........

(a) birds
(b) cattle
(c) fish
(d) beads

English Grammar Tests, Elementary Level

ESL/EFL Test #89 "Common Quantity Nouns", answer 10

At the show, we saw many different schools of fish.

Correct answer: (c) fish

Your answer was: incorrect
At the show, we saw many different schools of birds.
_________________________

Dear Sir,

Why should we choose Fish here?

Thanks in advance

Enlearnercn

[Alan]

Hi Enlearnercn,

The accepted word for a collection of fish swimming in the sea/river is a school of fish.

Alan
_________________
English as a Second Language
You can read my ESL story The way you write it

[Huonglinh]

HELO TEACHER,
I DON'T UNDERSTAND YET, PLEASE EXPLAIN MORE
TKS

[Richard_Jack.c]

Hi Huonglinh.
These might help you.
school of= a large group of fish, whales, dolphins etc that are swimming together
for example: a school of fish

herd of= a group of animals of one kind that live and feed together [↪ flock]
Exp:1-a herd of cattle 2-herds of elephants.........

1-flock of= a group of sheep, goats, or birds
a flock of small birds
2-flock of=a large group of people [= crowd]
a flock of children

good luck.
_________________
The limits of my language are the limits of my universe.
Ludwig Wittgenstein
.