问题
选择题
The sound of the birds __________happy memories of my childhood holidays.
A．called up
B．called for
C．called on
D．called in
答案
答案：A
考查动词短语：A. called up唤起，B. called for需要，要求，C. called on 号召，D. called in召集，句意是：小鸟的声音唤起了我童年假日的快乐记忆。选A。