They have been skating __________.

Not a single book is allowed _________ out of the reading room according to the new rule.

___________, education is about learning and the more you learn, the more equipped for life you are.

The young boy is good _____ me. He is good _____ playing basketball. He often tells me that it is good _____ my health to do more exercise. [ ]

Why _____ come and play basketball with us? [ ]