... 21) I .my keys, so I can't open that door (lose) 22) Columbus .in the New World in 1492 (arrive) 23) Nina .her leg She is still in hospital (break) 24) He .here all his life (live) 25) Colin .for ... (plant) 41 Be quiet, I to concentrate (try) 42 Jane many books about Chinese culture (write) 43) She her first book in 1990 (write) 44) She currently a book about Chinese painting (write)...