bài: supply the correct forms or tense of the verb in brackets 1. The first Brau (come).............. to VN about a century ago 2. the majority of people in VN (belong)............... to the Kinh ethnic group 3. listen ..................those ethnic girls (speak)........... the Ede lauguage? 4. so far Nick (learn)................ a lot about the ethnic minorities in VN 5. We (be).............to Buon Me Thout city twice , but we (never/visit)..............don village 6. in the future, the local government (organize)................ more activities to promote the culture of ethnic groups 7. these stilt houses (build)............ by the Tay people over 50 years ago 8. tourists to Don village enjoy (ride).............elephants around the hamletor to the forest 9. the elephants help local people (work)............ in the fields, and carry goods or construction materials