A. twitter B. concert C. annoying D. sit A. bear B. diverse C. greedily D. carrier A. mirth B. athletic C. swim D. pencil sharpener A. toxic B. grand C. elephant D. bus driver A. tough B. obstruction C. budgie D. ring up A. the Mid-Autumn Festival B. sedulously C. giraffe D. usually A. butt B. mice C. fluency D. catwalk A. engine B. like C. uncertain D. in place A. pumpkin B. accountant C. afternoon D. fish A. animal B. spend on C. organ D. break into