Put the verbs in brackets into the correct infinitive form or ing form. 1. A: Is Sue in the office today? B: Yes, I saw her ___________ (type) a report as I came in. 2. A I walked past the lake yesterday. B: So did I. I stood for a moment to watch some children ___________ (feed) the ducks. 3. A: Mane is good at playing the piano, isnt she? B: Yes. I heard her ___________ (perform) in a concert last week. She was wonderful 4. A: Is Paul at home? B: No. I saw him ___________ (leave) for work as I passed by. 5. A: Did Malcolm wash up properly? B: Yes. I watched him ___________ (do) to make sure. 6. A: Is that Joannes fiancé? B: Yes. I noticed them ___________ (hold) hands as they went into the cinema. 7. A: Are there any children living next door? B: Yes, I often hear them ___________ (play) as Im hanging out the washing. 8. A: Did Sarah miss the tram? B: No. she didnt. I watched her ___________ (get on) the tram before I left the station. giúp mình cần gấp ạ. cảm ơn nhiều