A. kite B. cheerful C. fall in love D. stir A. begin B. building C. adolescence D. soil A. letter B. debt C. hungry D. mobile phone A. newlyweds B. at the back of C. don't mention it D. throw A. via B. billy-goat C. proceed D. catch A. pen B. call out C. photograph D. dry out A. Chinese book B. backpack C. air-resistance D. happy birthday A. owl B. or C. house D. outdoor A. together B. easy C. go on a picnic D. swell A. cursed B. grayish C. come on D. condemn