The whole Chinese people will never forget the day, April 20th, 2013, _______ the big earthquake happened in Ya’an.

Sun Li acted _______ well ______ some people mistook her for a real queen.

Can I help you — I want to buy ________ .

well you drive, you must drive carefully.

Last winter, many places of southern Chinawere struck by heavy snowstorms, _____ more than 120 people were killed.