A. urge B. therefore C. spend D. spoke A. practise B. motorway C. keep clear of D. picnic A. foundation B. exclusive C. at the back of D. speech A. salesman B. choral C. encroaching D. middle A. little B. perch C. expertise D. along A. millimeter B. statement C. keep on D. audience A. total B. giant C. whoever D. at the same time A. commissary B. Thailand C. same D. the Net A. utilitarian B. luck C. receive D. physics A. leave B. servant C. have D. appearance