A-A+
Bill assured his boss that he would ______ all
问题详情
Bill 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：考查动词短语的意义。call forth“振作起，唤起”；call at“访问”；call on“拜访；请求，号召”；call off“取消”，根据分析，可知选A。
