17. A. Did you finish the work yet ?
B. Did you finished the work yet ?
C. . Have you finish the work yet ?
D. Have you finished the work yet ?
18. Rasul is the smaller .............. the two boys .
A. of B. as C. than D. before E. None
19. I have a headache . .......... you buy some aspirine for me ?
A. shall B. may C. could D. should E. None
20. only if …………..will proper labeling be essential .
A. The law is changed B. is changed the law C. is the law changed D. the law being changed E. None