14.The number of the people who joined in the journey down the Mekong River____four.
The little girl _____ on the sofa _____ to me that she had ______ the purse on the table.
If you keep on your research, you will succeed _____.
Rather than _____ at home, he always prefers _____ sports on the open air.
The poor child was ______ by his grandmother after his parents died.
—John, look at the time. _____ you play the piano at such a late hour? —Oh, sorry.