----Do you know ________ man who is standing under the tree? ----He is my new English teacher, Mr Hu.
–Do you know how to _______this word? –Yes, B-A-L-L.
—_____________ in your English book? —A picture of me.
--- _______ is your father? --- He’s 43.
---Which ______ do you like? --- Purple.
Mary ______ a bag _______ school.