1 I have never talked to the foreigner before
2 HCM city is the most crowed city in Vietnam
3 It's the the first time we have tasted fish and chíp
4 Living in Hai Phong is more expensive than living in Bac Giang
5 I haven't seen peter for 5 months
VIII
1 where is Linh reading books?
2 What are the boys doing in the garden?
3 When do the girl do aerobic?
4 How often do you stay up late on Saturday night?
5 Who visted her grandfather last weel?