1,TO my satisfaction,my son____himself in the presence of the guests.
A.acted B.preformd C.behaved D.guided
2,Exercise will help ___your health.
A.turn up B.put up C.set up D.build up
3,the book our teacher recommended us to buy is not____in the bookstore.
A,visibleB,available C,similar D,imitative
4,it was the______of the ancient people that god ___man
A.idea,invented B.trend,discovered C.belief,created D.thought,developed