13. Mathematics (is, are) John's favourite subject. 14. Eight dollars (is, are) the price of a movie these days.
15. (Is, Are) the tweezers in this drawer?
16. Your pants (is, are) at the cleaner's.
17. There (was, were) fifteen candies in that bag. Now there is,
18. The committee (debates, debate) these questions carefully.
19. The committee members (lead, leads) very different lives in
20. All the CDs, even the scratched ones, (is, are) in this case.

13. is

14. is

15. are

16. are

17. were

18. debates

19. lead

20. are

Hope it helps u

the correct answer would be:  

a. adverb phrase

most likely the answer would be a.) cupidity

definitions:

cupidity - greed for money or possessions

hydrophobia - extreme or irrational fear of water, especially as a symptom of rabies in humans

pathology - the science of the causes and effects of diseases, especially the branch of medicine that deals with the laboratory examination of samples of body tissue for diagnostic or forensic

patho -   relating to disease