15. Mr. Park, I know I am late, but please allow me to explain it to you, ______ ?

A. don’t you　　　　　 B. do you　　　　　 C. won’t you　　　　　 D. will you

14. Attention, please, everybody! Please stay ______ while I take a photograph of you.

A. still　　　　　 B. calm　　　　　 C. quiet　　　　　 D. alive

13. Being examined twice a year is the rule that every driver _____ obey in this city.

A. shall　　　 B. can　　　 　C. ought to　　　 D. need

12. She became ______ ill, making her separate from her families.

A. badly　　　　 B. well　　　　 C. seriously　　　　 D. fairly

11. He had a lot of friends, only a few of ______ invited to his wedding. A. whom　　　　　　 B. them　　　　　　 C. which　　 　　　　D. who

10. They knew nothing about ______ he was a thief.

A. that　 　 　 　 　 　　B. which　　　　　　 C. what　 　 　 　 　 　 D. the fact that