A. catch B. worry about C. bet D. open A. preposition B. father C. barbarian D. neighbour A. sitcom B. come C. speculative D. get away from A. jumping rope B. punctual C. mud D. for A. have to B. reader C. ping-pong D. the Nile A. be worried about B. find out C. nephew D. by subway A. caller B. tremendous C. bookseller D. Thursday A. excellent B. tortoise C. running D. schoolbag A. my pleasure B. cling C. sore D. by plane A. friend B. efficient C. theory D. from now on