请问这句话对吗?Now Hong Kong has come back to China.

请问这句话对吗?Now Hong Kong has come back to China. it's a long time since Hong Kong(come)back to China Hong kong came back China Hong Kong came back to China July Lst ,1997. hong kong came back to china fifteen years ago同义句hong kong _ kitty has gone to hong kong for two days这句话中的错误 Today I've come back to Hong Kong to stand before you,and ac Hong Kong ( hand) back to China in 1997 by British.In the pa I wonder when she will be able to come back from hong kong go to Hong Kong,china的造句! Hong Kong returned to China in_______? I have not been back to Hong Kong.back to Hong Kong是什么句子成分?