The picture of the park___memories of our class’s trip last year, when Mr. Smith began to take charge of our class.
The government has to close those small factories to prevent the water of the river ______.
He wants to see changes in the company and I am sure he will,______.
The traditional view is ____ we sleep because our brain is “programmed” to make us do so.
Then you usually lie there just ______ the ceiling, thinking about everything that could go wrong.
—What do you think of his opinion? —None has given me ___________ piece of advice.