Find one mistake in the sentence.

My uncle runs around his neighborhood yesterday morning.

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When we were in Da Nang, we spent a lot of time _______ around and looking at the ancient temples, bridges and houses.

The city’s public transportation system is such affordable that many residents prefer using it.

Give the correct form of the word in brackets to complete the following sentence.

I am going to visit Da Nang so can you tell me what the greatest _______ in Da Nang are? (attract)

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When my children _______, I will teach them how to study English.

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To reduce traffic jams, the city decided to _______ certain types of vehicles traveling into the city center during specific hours.

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Factories and companies should be constructed in _______ places only.

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The city is trying to improve the _______ so that drivers can see them better.