A. from time to time B. litter C. cause D. hat A. often B. hide and seek C. gave D. green A. customs B. Can I help you C. skim D. archaeology A. send up B. attach to C. same D. Pleased to meet you A. reflector B. snob C. by bus D. friend A. close B. invaluable C. Norwegian D. presentation A. trust B. Danish C. dine D. be harmhul to A. officer B. vest C. hand-made D. sick A. yuan B. colour C. CD D. woke A. move B. target C. climate D. passport