________ THE END OF THE COURSE, THE STUDENTS HAVE TO TAKE AN EXAM...

Question

12. ________ the end of the course, the students have to take an exam on four basic skills of the target language. A. In  B. At  C. On  D. To

Answer

12. ________ the end of the course, the students have to take an exam on four basic skills of the target language. A. In  B. At  C. On  D. To

12.