A. ending B. trick C. earth D. interesting A. attractive B. give a helping hand C. become D. lantern A. untidy B. whether C. friction D. grandparent A. clean the door B. together C. lately D. laboratory A. infinitely B. pension C. important D. co-founder A. guess B. moor C. go off D. patience A. president B. accomplishment C. wound D. dress up A. perhaps B. run C. call up D. moon cake A. woof B. set off C. ask for D. find out A. luggage B. lightly C. carton D. take photos