To keep a track of the time.
To keep track of time.
To keep track of who they were.
to keep track of an experiment
Those people dealt with the sexadecimal matemathical system which use a 60 digit base. with that they could keep track of time.
To keep track of records, the Maya used astronomy.
He keep track of the stars' postitions.
Devisce used to keep track of solar time
To keep a track of the time.
Uno reverse card why did Corrie Ten Boom keep track of time?
You need to keep track of time so you can plan efficiently. (Or, because it is in portint.. And you won't be l8 4 nuthin :) )
they did what they did
to keep tiime
cause they used something
People who keep track of the time and score.
To keep track of time.
The people on extreme couponing keep track with coupons because to them it is like a part time job. There is not a program that will keep track of coupons for you, but you can subscribe to a rss feed for coupon blogs.