You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.
"Thingsnever come again!"I couldn't help talking to myself.
Most birds find it safe to sleep in the trees,butthey have eggs or young chicks,they don't use a nest.
By serving others,a person focuses on someone other than himself or herself,_______can be very eye-opening and rewarding.
Cathy is taking notes of the grammatical rules in class at Sunshine School,where sheEnglish for a year.
We live day by day,but in the great things,the time of days and weeks_______so small that a day is unimportant.