18. I used to be a very delighted girl. I guess no human being could have passed _______ childhood.
A middle-aged woman came ____to the bus stop, only ___ the bus had gone.
.- Can I smoke here? - Sorry. We don’t allow _____ here.
.It’s no _____ arguing with Bill because he will never change his mind.
- Robert is indeed a wise man. - Oh, yes. How often I have regretted _____ his advice!
A poet and artist _____ coming to speak to us about Chinese literature and painting tomorrow afternoon.