A. efficient B. at the foot of C. useful D. technically A. leaf B. toy C. Saturday D. cheer on A. cool B. examine C. not until D. shady A. because B. pesticide C. campfire D. run-down A. fun B. geography C. raid D. cash crop A. snout B. have class C. Friday D. partly A. unsettle B. nomad C. launch D. hour A. math B. party C. friendly D. bet A. bactericidal B. ideal C. mailbox D. Tuesday A. coffee B. Sunday C. by ship D. spire