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. updated/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