There is no _________ that the Chinese people will present to the world a successful, splendid and unforgettable exposition（博览会）.

It’s impolite to point anyone your chopsticks.[ ]

Is this your ruler? – Yes, it’s ________

What’s your mother__________ now？ —She’s __________ our house.

I have two books. One is for you, ________ is for her.