They have been to America.(改为一般疑问句)

They have been to America.(改为一般疑问句) They have been to Tiannamen Square 改为一般疑问句 they have ever been to an English-speaking country.改为一般疑问句 l have been to japan【改为一般疑问句】 i have just been to beijing.改为一般疑问句 I have just been to the cinema.改为一般疑问句 I have been there.(改为一般疑问句 I have never been to England before.改为一般疑问句（ ）you（ ）been to they have been talking for the whole three huors 改为一般疑问句 I have some friends in America.(改为一般疑问句) They have a baseball 改为一般疑问句 They have two douguters 改为一般疑问句