Complete the sentences with the correct past form of the verb in brackets. 1 The test _______ (be) very difficult yesterday. I _______ (can) do it. 2 _______ (can) you understand the questions? I think they _______ (be) very easy. 3 I _______ (can) swim when I _______ (be) a baby. 4 Yesterday I _______ (can) find my homework. It _______ (be) on the floor! 5 I _______ (can) hear the music. I _______ (be) a long way from the stage.