A. dentist B. really C. Arabic D. require A. hatch B. roof C. cheap D. read A. too B. school uniform C. be famous for D. sportsperson A. spring B. invaluable C. lobster D. constant A. certain B. boom C. pack D. assignment A. how much B. Beijing Opera C. bookcase D. angry A. mortgage B. yuan C. exciting D. confidence A. census B. city C. prizefighter D. Polynesian A. bird B. armchair C. south-west D. half-time A. warm B. humanity C. gatekeeper D. thrive