Choose the right forms to complete the sentences.
1) look! Your friend (is/was) skating so well. 2) When I came home, the telephone (is/was) ringing, 3) Who is the boy we met when we (are/were) coming back home from school? 4) Tell me, Jane, what (are/were) you thinking about in the lesson yesterday? 5) Where (are/were) you going? I`d like to come with you. 6) What (is/was) he talking about? I don`t uderstand