We must face the fact __________ our time is limited and we must cherish every minute.
The school made it a rule that the students should ______to their feet when class begins.
-How much sugar did you put in my coffee? It tastes so bitter.-I'm sorry to say that there's ______left. I've forgotten to buy _____on my way home.
-Her father is very rich.-________She wouldn't accept his help even if it were offered.
It always feels ______to have good friends to share the good times ______the bad times.
-You've booked a four o'clock flight.-What chance ________of taking an earlier plane?