С1. present tenses. choose the correct tense. 1.liz and i are good friends. we know / have known each other for four years. 2.sarah is very tired. she has been working / is working hard all day. 3.“where is john? ” “he’s upstairs. he does / is doing his homework”. 4.i can’t go to the party on saturday. i am leaving / have been leaving for spain on friday night. 5.jane has finished / is finishing cleaning her room, and now she is going out with her friends. 6.i don’t recognize tom. he looks / is looking so different in a suit. 7.i don’t need to wash my car. jim has washed / washes it for me already. 8.ian has been talking / is talking to his boss for an hour now. 9.claire’s train arrives / has arrived at 3 o’clock. i must go and meet her at the station. 10.“would you like to borrow this book? ” “no, thanks. i have read / have been reading it before. 11.“where are you going / do you go? ” “to the cinema. would you like to come with me? ” 12.have you seen my bag? i am searching / have been searching for it all morning. 13.“is colin here? ” “i don’t know. i haven’t seen / haven’t been seeing him all day”. 14.sophie is very clever. she is speaking / speaks seven different languages. 15.we are moving / have moved house tomorrow. everything is packed.