Question

There is ________ useful book on the desk， _________ useful book belongs to my brother． A．a

There is ________ useful book on the desk， _________ useful book belongs to my brother． A．a; the B．an; the C．a; an D．an; a

Answer 1

A

试题分析：句意：书桌上有一本有用的书。这本有用的属于乱塌我弟弟。表示数量“一”用不定冠词，表示特指用定冠词。Useful以元音字母u开头但第一音素是辅音。雹陪橡前一空与数源旁量一有关，故用不定冠词a，后一空指前面出现的那一本书，故用the。所以选A。