题目内容
1)This kind of machine can be used for ________(cut)paper.
2)A boy ________ (call)Sam has some milk every day.
3)While he was walking in the street, suddenly he heard someone ________ (cry) at the street corner.
答案:cutting;called;crying
解析:
解析:
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1)介词后要用动词-ing形式。2)过去分词短语作定语(一个叫Sam的男孩)。3)hear sb doing(听见某人做某事),是现在分词短语作宾语补足语。 |
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