Question

My book, The House of Hales, is missing. Who ________ have taken it? A．need B．must C．shoul

My book, The House of Hales, is missing. Who ________ have taken it? A．need B．must C．should D．could

Answer 1

D

试题分析：考查情态动词辨析及语境理解。need用在情态动词，只用在否定句和疑问句中，“必要”；must“必须”，表示肯定推测，用在肯定句中；should“应该、竟然”；could“能够、可能”。题干中的说话人书丢了，应该是猜测可能是谁拿走了，故选D。