Question

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

Answer 1

C

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。