6 The children ...! They're playing! A aren't swimming B isn't swimming

Analysis

This question focuses on subject-verb agreement with a plural subject. 'The children' is a plural subject, so the verb should also be plural.

Solution

The plural form of the negative auxiliary verb 'are' is 'aren't'. 'Isn't' is used for singular subjects.

Answer (EN)

• 6. The children aren't swimming! They're playing!

Translation (RU)

• 6. Дети не плавают! Они играют!