—What is Mom cooking in the kitchen? 　   —Chicken, I guess. How nice it _______!

Mike       the story book for a month .

---Look at the sign on  the right, What does it mean ?---Oh, it means that smoking  _______ here 

He is so careless that he often         his school things at home.

Mike has much difficulty ________ Chinese so he often asks me ________ help.