Yesterday afternoon, Lucy played _______basketball and Lily played _______ the piano.
---Eddie has e-dog at home.---Oh, really?
______man in _____old jacket is Mr Brown.
I have ________ useful knife and my sister has _______ eraser.
Have you ever been to ______ aquarium in Qingdao before?
There is _______ “u” and _______ “f” in the word “unfamiliar”.