30. Yogurt is one of the most _____ foods you can eat. It is good for your teeth, bones and digestion.
(A) luxurious (B) complicated (C) aboriginal (D) nutritious
22. Stores are forbidden to sell cigarettes or alcohol to minors. “Minors” are people____.
(A) working in mines (B) not suitable to use such products
(C) under 18 years of age (D) having some diseases