That storybook is very _________. The children are _________ in it.
My father has a habit of jogging _____ the Jinchuan River for an hour in the morning.
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.