When you are reading English novels, if you meet with some new words you can this dictionary. Which of the following can’t be used in this sentence?
——Hi, John. Are you busy? ——
Yang Liwei showed the flags of China and the United Nations, ________ the wishes of Chinese people to use space peacefully.
-- The last one ________ pays the meal. --- Agreed.
She had to leave school_______ her family couldn’t afford her education.
The old man has retired from the factory. He _____ there for 30 years.