Ответ:

They will swim in the river next summer.

They will swim in the river next summer, won't they?

Will they swim in the river next summer?

Will they swim in the river next summer or next spring?

Who will swim in the river next summer?

Where will they swim next summer?

When will they swim in the river?

Why will they swim in the river next summer?

How often will they swim in the river next summer?

Объяснение:

1 Will they swim in the river next summer?

2 They will swim in the river next summer, won't they?

3 Will they swim in the river or in the sea next summer?

4 Will they or we swim in the river next summer?

5 Will they swim or dive in the river next summer?

6 Will they swim in the river next summer or spring?

7 Who will swim in the river next summer?

8 What will they do next summer?

9 When will they swim in the river?

10 Where will they swim next summer?