Relacionar Columnas KB15 Use of soVersión en línea Use of so. Kid's Box 4 Unit 5 Activity Book por Valeria Itzel Herrera Díaz 1 He couldn't find his pen so 2 He couldn't find his coat so 3 I couldn't find my camera so 4 We couldn't find our books so 5 She couldn't find her phone so 6 She couldn't find her glasses so she couldn't read her book. he had to wear a jacket she couldn't talk to her friend. I couldn't take any photos. he had to write with a pencil we didn't do our homework.