What any nation is proud of ? - Any nation is proud of its culture. 
What were the students  tired of? - The students were tired of boring excursions. 
What was the museim full of? -  The museum was full of tourists. 
What any city capital is rich in? -  Any capital city is rich in monuments .
 What Oxford and Cambridge are famous for? - Oxford and Cambridge are famous for their Universities 
What was she proud of? - She was proud of her unusual pictures
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