A. umbrella B. inconvenience C. belong to D. post A. tooth B. example C. stay out D. person A. broken B. variation C. Tree Planting Day D. upset A. clean off B. embassy C. by coincidence D. engineer A. pop music B. high-handed C. postman D. diversion A. online B. elder C. kind-hearted D. radio astronomer A. stop B. faint C. below D. critically A. company B. think over C. resemble D. skim A. bad B. zoology C. group D. crucible A. proceed B. litre C. unshakable D. policeman