It is useless book to children. Put it into left drawer and never read it.A. a; aB. a; the

问题补充：

It is useless book to children. Put it into left drawer and never read it.

A. a; a

B. a; the

C. an; the

D. an; a

答案：

A. a; a

(答案→)B. a; the

C. an; the

D. an; a

解析：考查冠词的用法。在英语中，元音字母有a/e/i/o/u五个，当单词的首字母发音是元音时，用不定冠词an，否则用a。useless的首字母发音是辅音，故用a表示泛指；排除C、D；特指左边的抽屉要用定冠词the。故选B。