Time waits for no man. But teenagers won’t realize the value of time until it’s gone. Don’t waste your time, you will regret it.A. and B. or C. but
You seem ___________. What are you____________?
I really don’t know _______________.
There will not _________ enough room for __________.
---Mom! May I have some cakes? ---Sorry, there’s ________ left in the box. I will go and buy some for you this afternoon.
--Where are you going for your winter vocation? -- We _______ go to Hainan, but we are not sure.