【2013贵州安顺】In our school library there _____ a number of books on science, and in these years the number of them _____ growing larger and larger.
He said that he had met her two years _______.
She said she would return the dictionary to me ________.
The police ____ still not sure ______ the young man killed himself or was killed.
You had better ________some food and drinks before the field trip ________.
—How many students do you think are still on the playground now? —I am afraid there are few of them, ______?