Question

【题目】Tom assured (向……保证) his boss that he would _____ all his energies in doing this new job.

A. call forthB. call at

C. call byD. call off

Answer 1

【答案】A

【解析】

考查动词短语辨析。A. call forth使起作用、唤起；B. call at访问；C. call by顺道拜访；D. call off取消。句意：Tom向老板保证他会全力以赴做好这份新工作。call forth all one’s energies表示“全力以赴”，故A项正确。