Use "should " or "shouldn't " to give advice in the following situation

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. Use "should " or "shouldn't " to give advice in the following situation.(10pts)
D. Mary has a terrible headache. =>
. I have another hole in my teeth. =>..
2. I've worked very hard these days and always feel tired now.
3. I have a bad cough. =>....
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4. I'm going to take a very important exam next week.
56. My son wants to use my motorbike but he's a terrible driver.
57. I have nothing to do today. =>..........
58. John is going to have a study tour in the U.S.A next year.
=>
59. My aunt is overweight.