Choose the best answer
1. We used ( played / play / playing ) hide and seek.
2. Life in Vietnam is different ( to / with / from ) that in Malaysia.
3. They ( are / were / have been ) pen pal friends since they wrote to each other.
4. Hoa ( haven't written / hasn't writter / didn't write ) the letter for ten year.
5. The Mark family ( come / came / has come ) to the USA twenty years ago.
6. When my brother ( is / was / were ) in army, i (Write / wrote / has written ) to him twice a month.
7. The last time i ( have gone / go / went ) to HCM city ( is / was / were ) in August.