Last winter, many places of southern China were struck by heavy snowstorms, __________more than 120 people were killed.

Excuse me! _______ is it from your home to school— About ten minutes’ ride.

Jack，please________ the lights to save electricity.

People who have regular physical exercise seldom catch a disease like H1N1 Flu, ______?

He _______ English for four years before he went abroad.