--__is that on the desk?--My Chinese book.

—Can you come and give us a talk on Thursday or Friday?—I am afraid ______ day is possible. I am very busy these days.

Look, There’s __________ sheep on the hill and there are _______ children, too.

Tom is a good boy and he writes _________ in his class. 

---She looks really tired! --- She practises dancing _________ of us five.