A. convince B. advise C. persuade D. guide
A. on impulse B. on average C. on time D. on end
A. overestimated B. overspent C. over-speed D. overspread
A. demand B. deserve C. need D. invite
A. care B. ignore C. understand D. fight
A. simulate B. observe C. modify D. replicate
A. keep B. store C. consume D. waste
A. enjoyed B. searched C. inspected D. investigated
A. ensure B. assure C. provide D. protect
A. authorize B. challenge C. clain D. enable