Complete the sentences with the prepositions in the box. along into off over through under 1 I was walking along the river yesterday afternoon. 2 They were having a picnic the trees. 3 Our dog was running after a cat, but it jumped the wall. 4 When she lost her keys, she climbed into her house the open window. 5 We can get the bus here and walk to my house. 6 Mum walked the shop and asked the assistant for help.