factors ... lead to -- causes fail to -- don t fall back on -- turn to fall back on one s dictionary -- look up some words fan -- like to do sth. far from being the only one -- many people far from new -- old fascinating -- very interesting faster than -- exceed feeble -- weak feedback -- opinion ferry -- boat few ... sit through // out ... entire -- most ... leave before ... over few and far between -- hard to find figure out // have no idea -- need one s help fill in for sb. -- take the place of sb. // take over for sb. // take over (one s job) fill in for sb. -- replace sb. // substitute for sb. fill one s shoes -- take one s place fill out the papers -- complete the forms fill sb. in on -- keep sb. informed of // bring sb. 0updated/up-to-date on find -- look for find // come up with -- prepare for find out about it -- check on it fine -- charge fine with -- go along with // agree finish -- complete // submit // turn in finish // put everything together // turn in -- complete first start -- right away fit as a fiddle -- in excellent health five -- several fix // take care of // handy -- repair fix up -- work on float on the air -- be excited folks -- relatives follow the example of ... -- follow suit following the Civil War -- Post-Civil War for a while -- at another time for more space -- be well attended for the third time this month -- again forcing the mixture through tiny holes -- squeezing liquid through small holes forecast -- expect forget -- not think // quit form -- paperwork forward -- deliver // send four o clock -- afternoon four weeks -- one month free -- flexible free of additives -- without additives freeze -- be very uncomfortable from ocean beds that dried up long ago -- in fossils on land from time to time -- occasionally // now and then front-row seats -- good seats fun -- enjoy // enjoyable function -- work furnace -- heat system