2.supply the correct tense or the verb in parentheses:
1.we (no visit)........Nha Trang yet.
2.Trung is learning to play the guitar.He(have).........guitar lessons twice a week.
3.I Was ill So (not come).......To School Yesterday.
4.We (not,see).........Lan Since 2010.
5.Be Carefu ! The Teacher (look).......at you