what are the students doing? some ______ books and the others _____ at the blackboard.选哪个,为什么
人气：282 ℃ 时间：2020-01-28 05:27:14
解答
没有选项啊,应该是 are reading ,are looking.现在进行时.a.are looking;are readingb.are reading;are watchingc.are watching;are lookingd.are reading;are looking.为什么这么选择，能说明一下么？D 固定搭配，读书read books，看黑板look at the blackboard。 watch一般是watch TV。look是不及物动词，不能直接加名词snowyowls' favourite foodislemmings.(对划线部分提问）哪有划线？
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