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1. Peter and his brother ( learn)...............English for three years
2.Mr.Gree ( play)......................................chess since eight o'clock.
3,It ( not rain).............................................since last week
4,We( not see)............................................ our new teacher yet
5,l ( study)....................................................very hard for this examination
6, My uncle ( work)......................................in this factory for ten years
7,The weather ( be)....................................quite good since Chiristmas.
8,She ( see)................................................this film before
9,l ( have)....................................................this bike since l was a teenager, and l still use it
10, He (play)................................................for the football club for several year