------ How many people were invited to the meeting? ------About six ________.
---You must be very excited about going to New York for further study. ---, but I am afraid I won’t do well because my English is poor .
---Do you remember there _____ a river here? --- Of course, I often swam in it when I was young.
---It is said Yangzhou Taizhou Airport has been in service since May 9th 2012. ---Really? !
---I’ve got to go now. ---Must you? I ______ you could stay for dinner with us tonight.
---What do you think of the match? ---Oh, I’ve never seen _____ one before!