Young students are ______ not to smoke, either in or out of school. 

Just as the clothes a person wears, the food he eats and the friends with whom he spends his time, his house ______ his personality. 

(2013·江西六校二模)University is ________ most worthwhile time of discovery and learning, and it is also ________ very enjoyable and valuable experience for every one of us.

Varieties of after-class activities _______ to enrich students’ school life are held on Friday afternoon every other week in our school.

 Some youngsters know what to _______ at the university; they have made up their minds about future.