Answer:
1.d 2.b 3.c 4.d 5.a 6.b 7.a 8.c 9.b 10.a 11. c 12.a
1. register
2. drench
3. variety
4. outstanding
5. dwell
6. distress
7. tardy
8. spree
9. unfit
10. sift
11. juvenile
12. proceed