It is useful book.I borrow it from school library.A.an; a B.a; a C.a; the D.an; the
问题描述：
It is useful book.I borrow it from school library.A.an; a B.a; a C.a; the D.an; the
为什么选b
答
a useful book ,
考的是对于a ,an的用法：a 用于辅音音素的前面；an用于元音音素的前面.useful 的读音是[ˈju:sful ] ,因为[ j ]是辅音音素,所以选择的是 a useful book