6.What ______ great progress you have achieved in such ____ short time!
_____ she heard the news that she won a scholarship, she was very excited.
American President Obama, together with some members of his government, _____ going to visit China next month.
_____ in the iron cage of the zoo, the tiger got quite angry.
No sooner _____ back to the kitchen than the doorbell rang.
It is no use fishing for golden fish in this river; there are _____ left.