题目内容

-- Whose French book is it?
-- It __________ be Lucy’s. Look! Her name is on the book!
A．mustB．mustn’tC．mightD．can’t
A

试题分析：句意：--它是谁的法语书？--它一定是露西的书。看！她的名字在这本书上呢！分析：表示肯定的猜测用情态动词must; 表示否定的猜测用can’t. 分析：露西的名字在书上写着，明确这本书就是她的，肯定的猜测。故选 A
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