Mother told Jim to the milk until it boiled and then turn off the gas.A. observeB. watchC

发布时间：2020-08-14 23:08:25

Mother told Jim to      the milk until it boiled and then turn off the gas.A. observeB. watchC. noticeD. glance at

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考查观察类的动词词义。句意：妈妈叫吉姆观察牛奶直至沸腾然后关掉煤气。根据句意可知仔细观察常用watch。而observe表示经过调查研究的观察分析，notice强调无意注意，glance at一瞥。
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