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bythe1850s,webster'sfirstbookwassellingonemillioncopiesayear,itoneofthemostpopularschoolbooksever.a.makingb.tomakec.maked.made这个是要填非谓语动词吗?这几个有什么区别啊?

题目详情
by the 1850s ,webster's first book was selling one million copies a year,__it one of the most popular school books ever.
a.making b.to make c.make d.made
这个是要填非谓语动词吗?这几个有什么区别啊?
▼优质解答
答案和解析
必须填谓语
making为动词现在分词作定语表主动
to make为非谓语动词弃修饰作用一般不与逗号连用
make为动词原型
made 为过去分词作定语表被动
这道题选A