Question

6.Thousand of people ... to the music yesterday. а)were listening b)listen c)listened d)was listened

Answer 1

6.Thousand of people c)listened to the music yesterday.

Answer 2

C)

Thousand of people listened to the music yesterday

Тысячи людей слушали музыку вчера

Answer 3

The correct answer is:

c) listened

So, the complete sentence would be: "Thousands of people listened to the music yesterday."