Nanjing isn’t so large __________ Shanghai, however, it’s the second __________ city in East China.
Walk _____ this street, then turn right________ the secod crossing.
There is ____ “f” and ____ “u” in the word “UFO”.
I’m sorry to hear that he cut ______. He should be careful.
I’m afraid you have to get ______ X-ray, young man.
Ann used to _____a bike to work but now she is used to _____ to work.