There is _____ Liu Chang in our class, but I’m afraid he isn’t ____ one you want.
They had kept working for several weeks everything was in order.
The headmaster who had the grand ceremony waved to the crowds with a smile .
When the market economy is introduced, many factories will not .
This is an illness that can total blindness if it is left untreated.
Our chemistry teacher a better way of working out the problem this morning.