A. behaviour B. customize C. Great Wall D. pen A. twenty B. advocate C. overpopulated D. facility A. Egypt B. prove C. count D. pump A. seventeen B. for a start C. certificate D. too A. music class B. does C. sixteen D. hive A. computer programmer B. seismometer C. eighteen D. on the way A. around B. tomato C. fifteen D. there are A. despair B. chat show C. procession D. nineteen A. fourteen B. supply C. DNA D. pasture A. assiduously B. thirteen C. abacus D. uncomfortably