A. dirty B. dinosaur C. secret D. learn A. January B. drum C. grandfather D. group A. museum B. absolute C. the British Museum D. naughty A. by bus B. sponsor C. keep in touch D. freedom A. by car B. consult C. thirtieth D. pay A. retell B. such that C. about D. bulletin A. wore B. brick C. fright D. buy A. grandparents B. close C. cholera D. Mexico A. shall B. show around C. sales assistant D. remote A. enough B. carry out C. acquisition D. phenomena