Finish the second sentences

Ix Finish the second sentences
1.there are five rooms in our house.
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2,i`m obliged to finish the letter before midday
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3 you are not allowed to leave the room without permission
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4 Its a good idea to swallow rapidly if you have hiccups
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5 It isn't necssary for you to take a thick coat
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6 It's not a good idea to leave a child unsupervised
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