试题 试卷
题型：选词填空（单句） 题类： 难易度：普通
（典中点）人教版（PEP）四年级上册Unit 2 Part A (1) Let's talk&Let's play
—Sorry, I don't know.
—It's {#blank#}1{#/blank#}（a/an）English book.
试题篮
(a/ an) English book in the desk.
