It’ll be another 50 years _________ China is expected to reach the level of a medium developed country.
-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?
-Some of the old plays we have seen years before ________on the TV. -They're well worth seeing.