However, at times this balance in nature is ________ resulting in a number of possibly unforeseen effects.A. troubled B. bothered C mixed D. disturbed
__________ he had not hurt his leg, John would have won the race.
I won’t call you, __________ something unexpected happens.
He was told that it would be at least three more months __________ he could recover and return to work.
Most birds find it safe to sleep in the trees, but __________ they have eggs or young chicks, they don’t use a nest.
You will be successful in the interview __________ you have confidence.