Ex.3 choose the appropriate verb forms to complete the sentences. 1. when bob (was / were ) at school, he (join / joined ) greenpeace. 2. fortunately the smog (disappeared/ disapper ) yesterday. 3. peter (has just eaten / ate ) a sandwich. he can’t be hungry. 4. helen (never swam / has never swum ) in the sea. 5. ben ( have / has ) fallen off his bike. ex. 4. choose the right verb forms (past simple or present perfect) to complete the sentences. 1. ben never peru. (be) 2) you the salad yet? (finish) 3) bob a very good picture lately. (draw) 4) when my brother was a child he a lot. (draw) 5) yesterday the boys football. (play)

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