On days when the solar radiation is strong, don't forget to apply sunscreen.

His face was covered with mud.

He likes to paint the walls.

I got sunburned because I played at the beach yesterday.

He got sunburned because he was playing on the beach for a long time.

Our school's motto is 'Knowledge is power.'

I forgot his birthday.

He stopped the car and was waiting for me.

Please clean the room.

Please do not press that button.