Ответы и объяснения

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 .
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