作业帮 > 英语 > 作业

There have been a great number of telephone invention of in

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/08/12 05:41:00
There have been a great number of telephone invention of in the last quarter of the 20th centry
number 那里为什么不能填development
There have been a great number of telephone invention of in
a great number of 意为许多的,修饰后面的telephone invention作句子的宾语部分,此句意为20世纪的最后25年间涌现了许多电话新发明.但此句中invention of 后面似乎还应该有词,或者是多打了一个of?