Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.
_______ does Tom like math? Because _____ fun.
Do you want to play_____ tennis? Yes, I ______.
I usually_______ books in the morning.
What do you usually do____Saturday evening,?A in B on C at D to
Do you have a _____?--- Yes, I _____ at a clothes shop.