He is (an、a)good engineer.空里填a\an?

He is (an、a)good engineer.空里填a\an? He is an English engineer.(a Gearman engineer)(选择疑问) I have_____uncle.He is an engineer.A.a B.an C.the要理由 ___________?He is an engineer. Is he an engineer or an architect? He isn't a programmer.He is an engineer.翻译成英文 Mr Wang is an engineer and he has a wife and a son同义句转化 He is a doctor,but his wife is an engineer,__ __? he is working for a big firm as an engineer 句中的working是什么时态 Isn't your uncle an engineer?A No,he isn't B No,he is C Yes, ?uncle is an engineer he is an engineer（原句） he （）（）an engineer