专四专八考试

解析：Bob assured his boss that he would

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【单选题】Bob assured his boss that he would ______all his energies in doing this new job.


A．call for
B．call off
C．call forth
D．call on


网考网参考答案：C
网考网解析：
call forth 唤起；call for 需要；call off 取消；call on 拜访 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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