–Zhou Libo can always ____ some special ways to make his talk shows more popular in China.
–Yeah. He is very smart and creative.

-- What can trees do _________ us ?
--- They can _________ harmful gases and produce oxygen .

--- Next week , we will go to visit your school .
--- You are welcome _________ our school and you can go _________ to have a look .

--- We don’t allow _________ in the library .
--- So we had better _________ outside .

-- Shenzhen _________ on the coast .
--- Yes . It is _________ the north of Hong Kong .

--- Why did you _________ school late today ?
--- Because I _________ late this morning .

We waited for him at the school gate , but he didn’t appear until nine.

It’s not polite to make fun of others when they are in trouble .

Let’s discuss the problem after school.

Simon, Kitty says she        a comic book in your home yesterday.