Question

----Did you _________ your friend when you were in Beijing?
---No. But I _________ my aunt’s during my stay there.

A．call on; called on

B．call at; called at

C．call on; called at

D．call at; called on

Answer 1

C

考查短语：call on sb 拜访某人，call at 拜访某地，句意：当你在北京的时候你拜访了你的朋友了吗？没有，但是在我停留在那的日子我拜访了我姑姑家。所以选C。