Question

His aunt’s letters ________ him of those beautiful days when they used to live together in his hometown.

A．call up

B．call for

C．call on

D．call at

Answer 1

A

call up“回忆、想起”；call for“需要、要求”；call on“号召、恳求、拜访(某人)”；call at“(到某地)访问”。