The high-speed railway linking Zhengzhou in Henan province to the western city of Xi'an in Shanxi province, started __________ January 17, 2010.
“______ do you exercise?” Three times a week.”
A: May I go out to play football, Dad? B: No, you ________. You must finish your homework first.
In China when the traffic light is red, you ________ cross the road.
Bring a map of China because you _______ want to travel around.
What ______ at seven yesterday morning?