顺序练习
话题练习
题型练习
口语评分
写作评分
阅读机考
听力机考
口语机考
A.
To encourage other students to participate in the discussion
B.
To correct an error in the student's statement
C.
To encourage the student to answer more specifically
D.
To confirm that the student's answer is correct
正确答案:D
译文