You can't work ___________ for five hours without a break! (continually / continuously)
continuously
The council ____________ a survey of the uses to which farm buildings are put. (directed / conducted)
conducted
I ________ the door from hitting me by stopping it with my hand. (avoided / prevented)
prevented
Solar energy for your home is expensive in the short term but it is more ____________in the long term. (economic / economical)
economical
He seems to have no ____________ at all, and is only interested in money. (principals / principles)
principles
