A. oblige B. Chinese knot C. football D. ill A. can't B. hold on C. secretive D. astronomy A. sad B. weariness C. humour D. impossible A. skate B. regularly C. slight D. admit A. format B. fly C. oxygen D. average A. pencil B. junk C. applicant D. swim A. either B. rattle C. capacity D. gifted A. play chess B. eighty C. have a try D. telly A. yeah B. take care of C. mum D. have lessons A. hot B. astonished C. punctually D. quack