--- When can I see the doctor, madam?--- Let me see. Sorry, you ___________ your turn, so you will have to wait again.
Confucius was a great and thinker. His thoughts still influence us.
— I’m sorry you have missed the bus. It _____ five minutes ago. — What a pity!
Don’t worry! I ____ your best friend who will do as far as I can to help you.
By the first day of August, 2007, the PLA has its ______ birthday.
—Our Chinese diving team won a gold medal again! —What _____ good news!