A-A+
Sam assured his boss that he would______ all h
问题详情
Sam assured his boss that he would______ all his energies in doing this new job.
A．call forth
B．call at
C．call on
D．call off请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
解析：题意是：山姆向他的老板保证他会______他所有的精力去做这份新工作。[A]callforth“唤起，发挥”，符合题意。[B]callat“访问，拜访”，[C]callon“号召；探望”，[D]calloff“取消，转移”都不符合题意。
