您现在的位置是:首页 > 学科知识查询 > 小学英语题库

- What's this?- It's envelope. [ ]A. a B. an C. some

编辑:chaxungu时间:2026-04-23 21:42:49分类:小学英语题库

— What'sthis?
— It's _________ envelope.[ ]A.a
B.an
C.someB