I doubt Sam will be the new chairperson of the Students’ Union. I don’t think he’d be able to organize things well.
Beijing is ______ old and beautiful city. It is _____ capital of China.
How much time did you spend the new words in Unit 10?
---Someone is knocking at the door. Who may it be? ---It ______ be Tom. He is still in the school.
---Have you seen Dr. Adams recently?---No. He __________ Hong Kong for an important meeting. He’ll come back tomorrow.
--- Would you come back to have dinner with us this evening? --- I’d love to, ______ I have an important meeting .