I have_____uncle.He is an engineer.A.a B.an C.the要理由

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Ihave_____uncle.Heisanengineer.A.aB.anC.the要理由Ihave_____uncle.Heisanengineer.A.aB.anC.the要理由Ihave___

I have_____uncle.He is an engineer.A.a B.an C.the要理由
I have_____uncle.He is an engineer.A.a B.an C.the要理由

I have_____uncle.He is an engineer.A.a B.an C.the要理由
an
为了读音的方便,在以元音音素开头的可数名词的单数名词前用an而不用a.当我们使用an时,条件有三：
①这个名词的读音必须是以元音音素开头--即它的音标的第一个音素是元音,而不是说它是以元音字母开头.注意,这里说的是“音标”的第一个音素是元音
②它必须是个可数名词.
③它还必须是个单数名词.
我们常常见到这类用法：
a university 一所大学
an hour 一个小时
an orange 一只桔子
an engineer 一位工程师
an ordinary man一个普通人
an honest person一位诚实的人

B
不是特指，所以不选C，uncle首字母发原音，用an.

选B.an

选择：B 首字母发元音 / ^ /

I have_____uncle.He is an engineer.A.a B.an C.the要理由 I wonder whether he I miss he my I like he very i he you I have more books than he/he has /he does he see what i see and he know what i he,you,I的用法he you I的排序 I guess he is ill. I and he ( )from China He has a ___car___ I I like _（he）. I don't know if he will come tomorrow i think he if he free Sandy sits between______and_______.A.he,I B.him,me C.I,he D.me,he ( )like French fries A,he and i B,i and he C,he and me 英语翻译He said what he miss I.这样翻译对吗 i live with my parents.he lives with__(he)parents. ‘I must go home now,’ he says to _______(he).