A. the second and third month of each year B. 2 to 3 times every year C. 2 to 3 times a month D. every 2 or 3 years
单项选择题In which order are the questions
单项选择题What should you do if you have more questions()
A. Check with production crews. B. Ask in the next class. C. See the marking criteria. D. Check the university policy.