A. boy B. bill C. take the place of D. sadly A. dive into B. soy C. can D. book A. pen B. gymnastic C. stay at home D. accommodation A. fill out B. five C. command D. see the doctor A. commit B. behave C. change D. teacher A. gusher B. enquiry C. ear D. so much A. young B. solo C. change one's mind D. permit A. China B. seldom C. tired D. attraction A. taxi B. see you tomorrow C. office D. eye A. sewing machine B. director C. warm D. pretty well