A. carbon B. bruise C. bored D. draw A. get on B. travel C. preserve D. cupboard A. queue B. valley C. people D. of one's own A. scenery B. somebody C. row D. biogas A. saw B. occur C. dragon boat D. chapter A. be connected to B. thing C. secret D. convention A. takeout B. instant message C. see D. expedition A. lots of B. decade C. wild D. beggar A. violin B. drink C. used to D. open A. play a part B. conduct C. snowstorm D. jump