The number of swimmers ______ getting larger and larger. Look, a number of students _____ swimming in this river.
Jeremy Lin, ______NBA star, used to be _____unknown player in New York Knicks.
Lily is my uncle’s daughter. She is my ___________.
—Mum, look! My trousers _____ short. Can you buy me a new _____? —OK.
What do young people thinkplaces in town ? A. about B over C. of D. out
--Be careful! You might fall into the water. --Thank you. I____.I______ so close to the pool.