介词短语答:(1)v+on(a) v+onact, lean, live, work, depend, look, wait, turn, switch, pull, have, keep, call, put, push, speak, insist, push, collaborate, count, frown, reckon, speculate, figure, carry,(b) V+sb(sth)+ON+sb(sth)congratulate, spend, base, fix(2)adj+onhard, keen, ...