填a或an:( )F,( )H,( )L,( )M,( )N,( )R,( )S,( )U,( )X.
问题描述：
填a或an:( )F,( )H,( )L,( )M,( )N,( )R,( )S,( )U,( )X.
答
an F
an H
an L
an M
an R
an S
a U
an X
答
A
A
A
A
A
AN
A
AN
A
答
an F,an H,an L,an M,an N,an S,a U,an X
因为F[ef],H[eItF],L[el],M[em],N[en],S[es],X[eks]
它们的音标都是以元音开头的,所以都用an.
而U[ju:]是以辅音开头,所以用a.
答
an F, an H, an L, an M, an N, an S, a U, an X