A. emission B. here C. bike D. curl A. aeroplane B. instead of C. sit-up D. acquire A. motorcycle B. rush C. cutting D. drive away A. peek B. bicycle C. koala D. missile A. such as B. thick C. coach D. authority A. albatross B. car C. roof D. gable A. purchasable B. train C. physical D. paleontological A. colony B. up-to-date C. dynamic D. truck A. lorry B. foreign C. impose D. book A. register B. bus C. luck D. ticket office