A. policeman B. make progress C. economy D. meter A. stair B. progressive C. translation D. fine A. depend B. well C. stereo D. build A. suggestion B. ready C. today D. caption A. mechanic B. check C. at dusk D. burn A. keyboard B. February C. theme park D. how many A. tentative B. woods C. stupid D. job A. engineer B. gay C. oven D. be tired out A. classmate B. I C. Chinese D. eagerly A. what B. paper clip C. draw D. rust