a) Liza, what to____ on Saturday night? - Liza, what are you going to do on Saturday night? - I ____hard. - Well, it' s rather boring. My friends and me___ it___ I let' s go with us! - I' m sorry. I can' t. I____ English grammar. My mother ____ clothes and____ our flat. I ____ her as well. In addition to it. The weather is bad, it____ tomorrow. b) To do, to treat. - what___ Robert____ next day? - He____ his teeth. - Is he afraid of it? - Yes, he is. c) To take part to do, to train. - ____ they___ in competition tomorrow? - Yes, they are. But Alexander____ it. - oh, why is it so? - He is not ready yet. He and his trainer.