24.
(A) spell
(B) skill
(C) drill
(D) distill

20. Which of the following is grammatically accurate? (A) Malvin Gray Johnson is noted especially for the pictures who he painted in Brightwood, Virginia, in the late summer of 1934. (B) Successful economists must be able understand the effect of world events on national economies. (C) The distinction between complex and simple lipids lie in their cell structure. (D) The fundamental problem of a tax system is to collect enough money to pay for the expenses of government.

21. (A) off (B) at (C) on (D) upon

22. (A) three (B) thirds (C) third (D) threes

23. (A) investing (B) entrepreneur (C) illuminating (D) entry

25. (A) exploits (B) recruits (C) prompts (D) projects

26. (A) was texting (B) is texting (C) has texted (D) texts

27. (A) turn (B) time (C) exchange (D) hindsight

28. (A) less (B) more (C) as (D) than

29. (A) are (B) is (C) were (D) did

30. (A) wasted (B) surprised (C) lifted (D) fragmented