hoàn thành đoạn hội thoại sau:
ba:hello,ba.what(1)_______on vacation this summer?
nam:hi,ba._______to Ha Noi
ba:(3)_______by train?
nam:no,i'm going to fly to Ha Noi
ba:(4)____________?
nam:i'm going to stay at y aunt's house.
ba:(5)_____________?
nam:for a week
ba:and what(6)________?
nam:well,i'm going to visit my friends in Ha Noi,see Ngoc Son Temple,and Hoan Kiem Lake