---Don’t run in the hallways.---______,I won’t do it again.A. Sorry B. Excuse C. No
Tony will visit his uncle’s farm _________ two weeks.
Please tell them _________ here. It’s dangerous.
-- I am going to Paris on holiday this May Day. -- Really? _______.
--You've never been to China, _______? --_______. I've been there three times.
It_______ five years since he_______ Beijing.