—John has put forward _______ most challenging question for us to answer.—Yes, it really is. I have never heard _______ harder one.
.______ Yancheng today is more beautiful now. Mr.Jackson said he would visit it ______ fourth time.
Either you or I good at drawing?
______ either you or I good at drawing?
To get into the habit of smoking means _______ one’s own life short.
_______ came that our team won.