workers in the factory              over two thousand.

-- ________ do you go to the movies?   ---Once a month.

 All the _________ things need air and water. Without air or water, nothing can stay _______.

--- __________ are all these together? --- 425 yuan.

---Bob has got his trousers dirty again!---Don’t be angry with him.         , he’s only a five-year-old child.