21. His _____ of the incident approximates to that of the other witness.
A. account B. introduction C. instruction D. explanation
22. It is an accepted ___________to pay a deposit（定金） with your order, which assures the seller that you are in fact a serious buyer.
A. action B. behavior C. habit D. practice
23. Universal ______ to education is the ability of all people to have equal opportunity in education, regardless of their social class, ethnicity, background or physical disabilities.
A. application B. access C. admission D. attempt
24. He hardly gets by on the low allowance of around 400 yuan per month, which is impossible to________ the basic needs of his family.
A. afford B. cover C. offer D. support
