你不小心踩到别人时,你应该对他(她)说: A.It’s great. B.I don’t know. C.I’m sorry.
_____, do you know where the nearest post office is?
When I passed the river, I saw some children ______ on the sand.
Miketake a bus to the office, but now hewalking there.
My uncle the club in 2010. He the club for over 3 years.
—Why don’t you go to visit the Great Wall with us? —Because I _______ there many times.