用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。
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What are you going to do if you are in a burning house? Do you know how to save 61 ? Please read the following passage.
62 what to do during a fire can save your life. It's important to know the right way to escape, such as exits and stairways, 63 not lifts.
From the lower floors of buildings, escaping from the windows is possible. Leaving from windows may get the least 64 of being hurt. When you are on the 65 floor, it's usually not high from the ground. It's about the height of an adult. It's 66 to jump out of the house than to stay in it.
It's important to protect yourself 67 you' re waiting for help. Be sure to keep the door 68 . If you don't do that, smoke may come into the room where you are. It's harmful to you. In that condition, you had better keep your head low to make sure 69 you can breathe fresh air rather than smoke. If you are on high floors, you can go up till the roof. You can try your best to attract 70 attention. Don't shout all the time because you need to save energy and wait for rescue.