A. compare with B. get through C. cooperate D. talent A. in trouble B. gymnast C. undoing D. determined A. X-ray B. colossal C. terror D. up to A. kill B. extinct C. energe D. surfboard A. burst B. experiment C. commit D. silk worm A. welcome B. wheel C. popular D. sick A. trick or treat B. truck C. brighten D. influence A. typist B. abnormal C. missing D. Africa A. sand B. summer holiday C. nail D. cabbage A. lunchtime B. tail C. kilo D. get away