(2012·安徽) The limits of a person's intelligence, generally speaking, are fixed at birth, but __________ he reaches these limits will depend on his environment.
Don’t worry; we only need _____ 10 minutes to complete the work.
The thief was about to leave the room when the police ______ and caught him.
You _____ hurt your stomach if drinking beer while having sea food.
The 30th Olympic Games started ____ July 27th, 2012 in London.
Daisy wants to be ____ engineer while Jack wants to be ___ teacher.