9. All the guests reached the wedding party last night though it rained heavily. → It rained heavily; 10. The sign was in front of him; however, he didn't take any notice of it. → Although 11. What about teaching the children how to cope with an emergency?" said Mrs Thu. → Mrs Thu suggested that the children 12. She is an efficient worker . → She works 13. IfI were you, I'd look for another job. -> I  suggest  

9........however, all the guests reached the wedding party last night

10 ......the sign was in front of him, he didn't take any notice of it

11........be taught how to cope with an emergency

12........efficiently

13.......that you look for another job