The high-speed railway linking Zhengzhou in Henan province to the western city of Xi'an in Shanxi province, started __________ January 17, 2010.
-- ____ is the population of your city?-- About seven ____.
Usually, we like to _________ before doing sports so that we can't hurt during the sports.
I usually go home by bike, but sometimes I _________.
Here’s my telephone number. Please _________
– Could you give me _____ on how to learn English well?-- Sure.