In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
you may have , you should gather your courage to face the challenge .
He was seriously injured.He lay on the ground, _______ to stand up.
---Thanks for your help, but can you do me one more favor, please? ---____ , sir. What’s it then?
He is a man of few words, and seldom speaks until _______ to.
-- May I smoke here? -- If you____, that's the smoking section over there.