1Mr.tuan always (go) to work by bus
2 We (start) our new school year last month
3 she (receive) her pen pal's letter this morning
4 It (not rain) in the dry season
5 lan (take) her younger brother to the zoo last sunday
6 I (live) here since i was born
7 they (give) me the letter a few minutes ago
8 when i saw him ,he (sit) asleep in a chair
9 what you (do) at 7 p.m yesters
10 my brother (write) several plays