She cleaned their room _______ they were singing.

• when

• while

My dad was cooking _______ my mom was watching tv.

• when

• while

________ I saw lots of fish, I was diving.

• when

• while

_______ I was diving, I saw lots of fish.

• when

• while

______ she met her friend, she was walking to the mall.

• when

• while

I made my homework _______ you were sleeping.

• when

• while

I was drawing ________ my dog was playing with a ball.

• when

• while

Peter was eating in a restaurant _________ he saw a friend.

• when

• while

My dog was digging his bone _______ it listened a strange sound.

• when

• while

My dog listened a strange sound _______ it was digging his bone.

• when

• while