The “empty” in “The play was over and the auditorium began to empty.” belongs to（ ）.
A、noun to adverb
B、adverb to adjective
C、verb to adjective
D、adjective to verb
【正确答案】：D
【题目解析】：本题考查形容词转换成动词的常见例词。 noun to adverb：名词转换成副词；adverb to adjective：副词转换成动形容词；verb to adjective：动词转换成形容词；adjective to verb：形容词转换成动词。The play was over and the auditorium began to empty.演出结束了，礼堂开始变得空荡了。empty原本是形容词空的，这里转化成动词变空。故D选项符合题意。
