Many young people play ___________ soccer in their free time.A. a B. the C. /
A little boy wrote _____ “u” and _____“n” on the wall.
--- Why do you often take exercise? --- _____ me keep fit.
--- We went to see the man who was in hospital yesterday. --- __________.
If H2 burn in O2, we can get _____.
The boy read the article ________ and found something important in it.