21. It is a great ________ for a person to be able to drive when he is looking for a job.
A. benefit B. chance C. advantage D. fortune
22. Those who suffer from headache will find they get ______ from this medicine.
A. relief B. safety C. worth D. shelter
23. Could I have a(n) ______ word with you, Mr. Thomas? It won’t take up too much of your time.
A. honest B. straight C. simple D. brief