My cousin worked all winter vocation, saving money to______ his hobby of collecting stamps.

(2013·安徽高考)David is ________ animal fur, so he won't visit anyone who has cats or dogs in the house.

—Why are so many northern Chinese visiting Southeast Asia countries recently ?—They are trying to get a ___shelter from the cold weather in winter.

Over the river there is ____________ bridge.

Tom is _______ learning English. To learn it well, he abandons all his hobbies.