1/ It/ Hoa/ bithday / next week
=>It will be Hoa's birthday next week
2/ She / going / be / 15
= She is going to be 15 years old
3/ I / going/ give / her / CDs
=> I am going to give her CDs
4/ so/ yesterday / I / go / the shop
=>so yesterday I went to the shop
5/ I / meet / Nam, my friend/ the shop
=>When I met Nam, my friend was going to the shop
6/ I / ask / what he / buy
=> I asked him what he bought
7/ He / say / he / buy / CDs / Hoa
=>He said that he bought CDs for Hoa
8/ Oh! / what / I / buy / her?
=>Oh! what did I buy for her?