Put the sentences in each pair into one (Составьте из двух предложений одно).
Example: The snowflakes were slowly falling on the ground. Margo saw it. - Margo saw the snowflakes slowly falling on the ground.

One of the children quietly left the room. The teacher noticed it.

Example: The snowflakes were slowly falling on the ground. Margo saw it. - Margo saw the snowflakes slowly falling on the ground.

A cold raindrop fell on her face. Julia felt it.

Example: The snowflakes were slowly falling on the ground. Margo saw it. - Margo saw the snowflakes slowly falling on the ground.

The book fell on the floor. The whole class heard it.

Example: The snowflakes were slowly falling on the ground. Margo saw it. - Margo saw the snowflakes slowly falling on the ground.

Someone in the hall sang along. The singers on the stage heard it.