1fill sb. in on
2film selection committee
3final exam
4financial aid
5finish up
6finishing touch
7first class ticket
8fit as a fiddle
9fit in for an appointment
10fit it in
1fitness center
2fix a snack
3fly by
4focus on
5follow someone's example
6follow the instructions/directions
7food for thought
8football field
9football season
10football stadium
11for a change
12for a little bit
1for a moment
2for fun
3for nothing
4for sale/not for sale
5for the best
6for the life of me
7forget about it
8forget to do sth.
9free up
10from now on
11from time to time
1from top to bottom
2front desk
3gardening club
4gas stove
5genetic engineering
6get (set, start) off on the wrong foot
7get… in order
8get a ride
9get along
10get along without
11get a lot out of sth