题目内容


Immediately he was elected monitor, James _____ his duties since.
A.took upB.has taken upC.made upD.has made up
B
考查时态。Take up开始从事;make up组成,整理。句意:自从詹姆斯负起他的责任,詹姆斯立即被选为班长。结合语境可知下文描述的现在已经完成的动作,选B。
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