the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing

the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing

题目
the teacher are talking with his students.they are talking about the jobs.这里的talk为什么加ing
答案
因为前面的句子用的是进行时态
the teacher are talking with his students.they are talking about the jobs
老师正在和学生谈话,他们谈的是工作.(此处talking表示他们正在谈,谈的内容是工作jobs)
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