Complete the second sentences so that it has a similar meaning to the first one.
42. They predict the hurricane won't hit the city, but the residents still get prepared for the worst.
→ Although
43. The guidelines for evacuation will be useless if people don't read and follow them.
→ Unless people
44. It was such a strong tsunami that thousands of people were killed.
→The tsunami was so
45. The firemen spent three days putting out the forest fire.
→ It took