Put the verbs in brackets in the correct tense using the Causative form.
1. The house was so cold last winter we ..... a central heating system ....... (install).
2. I ......... my room ...... (paint). That's why there is all that mess.
3. I can't read Chinese so I always ............. the document (translate). My secretary is helping with the translation.
4. Our swimming pool is so small so we ........ a new one (make). They are starting work on it the next week.
5. Please ........ the chef ............ (prepare) lunch for the manager carefully.