We .... a project of science at present., is doing, are doing, do, does, Please don't make so much noise. The baby ... in the room., sleep, am sleeping, is sleeping, are sleeping, My classmates .... football in the playground at the moment., am playing, is playing, playing, are playing, The festival ... at 8:30 am., starts, is starting, are starting, start, It's 10 o'clock now and I ... a book., are reading, reads, is reading, am reading, Mary ... to lose weight because she ... very fat., wants/is, wants/ is being, want/ are being, want/be, When he ... in, I ... kitchen., comes/ am cooking, come/ am cooking, is coming/ am, comes/ are, They .... researching on new battery systems., does, do, are doing, are, What ... Kelvin doing? -He ... at my desk., do-does, it-sits, does-sits, is - is sitting, We .... a plan to reduce the use of water for the toilet, need, are need, are needing, needs

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