Complete each sentence with an appropriate preposition

IX.   Complete each sentence with an appropriate preposition.

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.

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