题型：单选题题类：真题难易度：普通

There is ________ “u” and ________ “h” in the word “hour”.

A、a; a B、an; an C、a; an D、an; a

举一反三

What are you{#blank#}1{#/blank#} ?

{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} homework now?

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