The use of vitamin ________ and herbs has become increasingly popular among Americans. A. components B. materials C. ingredients D. supplements

SECTION II: LEXICO – GRAMMAR (7.0 POINTS)

Part 1: Questions from 16 to 35. (3.0 points - 0.15/ each)

Choose the best answer to each question

The use of vitamin ________ and herbs has become increasingly popular among Americans.