— is the number of the students in your school, Wu Dong? —It’s more than 1,000, but I’m not sure about it.
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.