Jack is an English boy.

Jack is an English boy. Jack is English.He is an English boy.为什么第一个English不用冠词? Jack is an English boy. He is a good student. He is twelve y hello,my name_____Jim.He is an English boy.his _____is Jack Mike is an English boy. 合并句子he is an English boy.Jim is an English boy,too.he is an Is Roy Green an English boy? Is he an English boy.复数形式 ___ friend is an English boy. bill is an english boy.是什么意思 He is an English boy 同义句 改为 The boy ( ) ( ). Jim is ( ) English.He is ( ) English boy.A.an;an B./;an C./;