A. summer B. viperine C. microscopic D. matador A. Canada B. outer space C. protection D. certainty A. wade B. threat C. where D. assail A. than B. conventional C. how much D. fade out A. cry out B. square C. therein D. heartily A. closed B. London C. ask for a ride D. identity A. machinery B. evaluation C. warm up D. class A. gum B. crazy C. clock D. across from A. outer B. beeswax C. in D. strong A. twin B. spring C. intelligent D. watch