She ___ for the professor who was ill.A．substitutedB．changedC．shiftedD．replaced
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She ___ for the professor who was ill.| A．substituted | B．changed | C．shifted | D．replaced |
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答案
| A |
解析
| 动词辨析. A. 代替;取代 B. 改变 C. 转移;替换 D.取代；替换。replace 和substitute都可作动词，但用法不一样，一般搭配是replace A with B 用B来代替A；substitute A for B 用A来代替B 。故选A。 |
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