A. thumb B. subject C. hover-train D. eraser A. pencil sharpener B. cancel C. elegant D. am A. bag B. arena C. at the top of D. adolescence A. cosmonaut B. on C. would D. go to sleep A. gleam B. accord C. keyboard D. chameleon A. turn to B. apologise C. touch D. regardless of A. grayish B. amaze C. beeswax D. postman A. throw light on B. curly C. all right D. choke A. thither B. have class C. jet lag D. grandmother A. 3D B. mouse C. most D. eat up