Jack is an English boy.He wants to have friend

Jack is an English boy.   At school I have a good friend. He is an English boy. Jack is English.He is an English boy.为什么第一个English不用冠词? He wants to have an English pen pal.同义句 英语he wants to have an English pen pal Jack is an English boy. He is a good student. He is twelve y ___ friend is an English boy. Jack wants to be an engineer when he is older (对an engineer提 hello,my name_____Jim.He is an English boy.his _____is Jack He is i______ in English,He wants to be an English teacher大神 He wants to have an English pal.同义句转换He __ __ __ __ have an 合并句子he is an English boy.Jim is an English boy,too.he is an