As stated in paragraph 2, machines which are driven by AI can now ______. A. find out all the mistakes in students' papers B. grade almost all types of fill-in-the-blank questions C. mark stu
As stated in paragraph 2, machines which are driven by AI can now ______.
A. find out all the mistakes in students' papers
B. grade almost all types of fill-in-the-blank questions
C. mark student writing automatically
D. be fully developed by teachers