Identify a mistake in each sentence and correct it

VIII. Identify a mistake in each sentence and correct it.
1.In Australia, you mustn’t to comment on a person’s accent.
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2.In my family, children has to get permission before leaving the dining table.
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3.When I came, the whole family is having dinner around a big dining table.
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4.Lang Lieu couldn’t buy any special food while he was very poor.
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5.When you visit a temple in Thailand, you has to follow some important customs.
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6.People should wear short shorts and tank tops in pagodas or churches. This is disrespectful
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7. People can wear sandals, but these have to has a strap around the back.
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8.People should to lower their voice inside the temple.
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9.Women have avoid touching monks.
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