Viết lại câu: They have to finish this work before noon

Giải giúp e với ạ , em cần gấp 
1. They have to finish this work before noon
=> This work............... ....   
2. You should keep the flowers in a warm sunny place
=> The flowers...............
3.They are going to invite her to party
=> She........ 
4.I need to repair my bike
=> My bike needs........
=> My bike ......
5. Mary was last seen 20 minutes agoago
=> Mary has.... 
6. It hasn't rained for two months
=> The last time .......