3. John 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

call forth 投入, 引起, 引发

call at 拜访(某地)

call on 拜访(某人)

call off 取消

cancel 取消

evoke 引起, 引发, 唤起

provoke 引起, 引发

initiate 引起，引发

arose 引发, 唤起

trigger 引起, 引发, 扳机

on duty 轮流值日

rise 升起, 上升

appear 出现

arise 出现

arouse 引起

raise 举手, 出手, 提出, 养育

disaster 灾难

elixir 万能药