Millie, where is Miss Li?—She a speech on Chinese art to the first-year students in the hall.
The workers in HuaShan Mountains have torubbish to keep the mountains clean.
Do you know the boy ________ is sitting next to Jim? Yes. He is Jim’s friend. They are celebrating his ________ birthday.
The students are busy ________ their homework. [ ]
What’s his first name ?–_______ first name is_______.