... trains ( day) from HN to Lao Cai.106. ( fortunate) dark clouds appeared and it vbegan to rain.107. Tim and Shannon want to visit an Ocean) institute.108. My aunt lives in a ( mountain) area ... him.18. What let to the ( invent ) of the telephone? 19. My (assist) will call you later.20. Tuan ( invitation) his friends to his house on Chrismas Day.21. Mr Phong made an (arrange) to see ... was Bell 's ( assist) , was'nt he ?29. It 's nice to meet you ( final) . The picture you have just painted is ( wonder) .30. Don't forget to bring ( suit) clothes. There...