顺序练习
话题练习
题型练习
口语评分
写作评分
单科机考
全科模考
A.
The student’s difficulties locating sources for a research project
B.
The topic of the student’s research project
C.
The student’s request to visit a particular part of the library
D.
Procedures for requesting different editions of a book
正确答案:C
译文