长棉大衣:1.My uncle is an expert ___ electronics.介词填空

来源：百度文库 编辑：高考问答 时间：2024/04/29 22:52:58

at in on都行（字典上的）
在某方面的专家

be an expert ___ electronics可以与介词at.in.on搭配使用。
1。与at搭配时用be an expert at doing sth
2。与in，on搭配时用表示在某一领域的专家
所以可以填in或on

IN

1.My uncle is an expert ___ electronics.介词填空 My uncle is a bookseller.His job is ______ book Sam Brown is my uncle.I call him____. 2. Uncle Zhong is my neighbour.(对画线部分提问) 谁能帮我写格式soldier My uncle is asholdier My aunt has a borther.He not my uncle.Who is he? my uncle ____in this city since 1980.A.is living B,has vived C,lived You is woman who my whole life an life time , unique love your woman ! --Mum,I helped my uncle clean his garden just now. My uncle help us fishing. 这个句子行不行？？