Singular and Plural nouns

Front

Plural of ox is ...

Back

oxen

Front

There is ... in the basket.

Back

an apple

Front

\frac{1}{2}+\frac{1}{2}=

Back

one

Front

A cat caught many ...

Back

Front

Plural of country?

Back

countries

Front

Iko Uwais is ...

Back

an actor

Front

Understanding the lesson today?

Back

Yes, I understand.

Front

Agreement on method application to other topics?

Back

Undefined