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An easy question~

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/08 11:36:47
An easy question~
This is the method ( ) he solved the problem.
括号处要用什么关系边词?
先解释文法错 不可以 this is . he solved
对的是 this is ... he solves 或 this was ... he solved
This is the method (with which) he solves the problem.
This is the method (by which) he solves the problem.
This is the method (using which) he solves the problem.