A lot of language learning,__________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
He forgot to turn off the light.So he went to bed with the light ___on.\
Asia is the largest continent, ___ one third of the earth’s land area.
After many months of hard work, they manager __ off all the debts.
Mike is taller than __ students in the class.
The little hero could be seen with his legs __ around the truck and his blond head __ out above the branches.