7.-Right.Is it true that there are 54 ethnic groups in our country ? _ ___________. A.Exactly B.Wrong C.Thanks D.Fine 18. Some groups live in the Central Highlands and some southern provinces . _ ________.And do they speak their own languages ? A.I see B.I’m fine C.Thank you D.Good 19.They have their own way of life and customs and traditions._ __________. A.Fine. B.That’s awesome C.I see D.Goodbye 20.His father ______that city three years ago. A.leaves B.left C.is leaving D.will leave 21.Nam________his parents next Sunday. A.stay B.is .staying C. .stayed D.will stay 22. ________he often______ to music in his free time ? A.Did/ listen B.Are/ listening C.Does/ listen D.Will / listen 23.It’s a CD of Vietnamese folk songs.I’ll listen______it tonight A.in B.on C.to D.with 24.Phuc is looking________a book. A.on B.under C.for D.in 25.Viet Nam is a multicultural country ________54 ethnic groups. A.in B.on C.to D.with Ai giúp với ạ