There is         useful book and         interesting magazine on the desk. They

题型：不详难度：来源：

There is         useful book and         interesting magazine on the desk. They are       my brother’s.

A．a, an, all

B．a, a, both

C．a, an, both

D．an, a ,all

答案

C

解析

useful中的首字母u发的是/ju/非元音，故用a；而interesting中首字母i发的是/?/为元音，故用an；这里只有两本书，故用both，而all用于三者及以上，故选C。