A. Hubble B. dream of C. biogas D. folk A. ours B. drive away C. listen to D. quantity A. coast B. astronaut C. in the area of D. boulder A. surrounding B. applaud C. announce D. soon after A. classify B. destruction C. subdue D. conspire A. walk off B. the Mid-Autumn Festival C. faulty D. live A. get mad B. launch C. hurriedly D. approximately A. root B. salary C. fibre D. organize A. discreetly B. bingo C. radio astronomer D. control A. grass-seed B. power line C. steamship D. dream about