A. sewage B. sort C. USA D. create A. fable B. be harmhul to C. own D. income A. effectively B. germ C. artist D. inform A. hush B. remark C. as D. pick fruit A. smoke B. mess C. human D. garage A. invent B. broken C. overland D. shaking A. come in B. clever C. roof D. Can I help you A. vaccination B. distance C. private D. lead to A. us B. can't help doing C. bird flu D. screw A. persistent B. schoolbag C. consequently D. regardless