Joe Jones, the eldest of the eight children, had to _____ out of school at the age of sixteen to help his father on the farm.
—Hello, JinlingHotel. What can I do for you? —Do you have a room __________ for this weekend?
When I went to the lake, my father was__________ fishing.
He is always full of __________ as though he has neverknown tiredness.
At present we have no __________ of life on otherplanets.
This book __________ ten units,__________ three main revision.