He has got _____ useful book.______ was bought by his father.

问题描述:

He has got _____ useful book.______ was bought by his father.
A)a...The B)an...The C)the...A D)the...An

A)a...The
useful以辅音开头,因此第一空用a,第二次提到某物用the .故第二空用the.