1.      Nick is curious                          the ethnic minority groups in Vietnam.

2.      The Viet account                          about 86% of Vietnam‟s population.

3.      The M‟Nong live in houses built                       _ stilts.

4.      The Hmong live mostly _                       the mountainous regions                         the north.

5.      The M‟Nong in Ban Don are well known                   their elephant hunting and domestication.

6.      Many ethnic minority students are studying                      _ boarding schools.

7.      The Thai have a population                      _ about one and a half million people.

8.      Tay language belongs                          the Tay-Thai language group.

9.      The communal house is used                         village meetings and festivities.

10.  The chapi is made                          a section of an old bamboo.

giúp mình bài này với! giải thích vi sao chọn đáp án đó hộ mình!! cảm ơn rất nhiều