1.Li ping ___(be) a doctor five years a go
2.___he___(go) to school yesterday?
3.She___(join) the army Sinle 1980
4.Look. Some boys___(Swim) in the river
5.My paperts____(be) in Shanghai! tomomow
6.When thet___(come) back? Next month
7.Tom___(clean)the room before their tencher Came in
8.He___(study) English for 6 years
9.By the end of last month I ___(receive) 3 letters.
10.Where___your brother____(work) now?
11.She___(not visit) her uncle last week
12.I___(be) born in 1976
13.In 2003 he___(leave)School
14.yesterday when Icame in he___(have) dinner
15.He___(ureit) a diary every day
16.I___(not go) to the zoo next week
17.Now. She___(Sing) in the room
18.Tom and peter___(See) a film yesterday